HH Ngo, TT Nguyen, W Guo, DD Nguyen, A Pandey, XT Bui, Sunita Varjani, PD Nguyen & TTN Nguyen, Circular bioeconomy for resource recovery from wastewaters using algae-based technologies, In: Algae-Based Biomaterials for Sustainable Development, Editors - HH Ngo, W Guo, A Pandey, JS Chang & DJ Lee, Elsevier, Amsterdam, Netherlands, pp. 217-235.

Sunita Varjani & MC Sudha, Occurrence and human health risk of micro-pollutants - A special focus on endocrine disruptors chemicals, In: Emerging Organic Micro-pollutants, Editors- S Varjani, A Pandey, RD Tyagi, HH Ngo & C Larroche, Elsevier, Amsterdam, Netherlands, pp. 23-39.

F Winter, RA Agarwal, J Hrdlicka & Sunita Varjani, Introduction to CO2 separation, purification and conversion to chemicals and fuels, In: CO2 Separation, Purification and Conversion to Chemicals and Fuels, Editors- F Winter, RA Agarwal, J Hrdlicka & S Varjani, Springer Nature, Singapore, pp 1-3.

TT Nguyen, C Chiemchaisri, XT Bui, RS Adha, DD Nguyen, PD Nguyen, TK Quyen-Vo, BT Dang, QH Nguyen, PT Nguyen, Sunita Varjani & MH Bui, Membrane Bioreactor Processes, In: Advances in Biological Wastewater Treatment Systems, Editors - XT Bui, DD Nguyen, PD Nguyen, HH Ngo, A Pandey, Elsevier, Amsterdam, Netherlands.

Sunita Varjani, A Pandey, E Gnansounou, SK Khanal & S Raveendran, Resource recovery from waste: An introduction, In: Resource recovery from wastes, Editors- S Varjani, A Pandey, E Gnansounou, SK Khanal & S Raveendran, Elsevier, Amsterdam, Netherlands, pp.3-11.

Sunita Varjani, A Humbal & VK Srivastava, Carbon sequestration a viable option to mitigate climate change, In: CO2 Separation, Purification and Conversion to Chemicals and Fuels, Editors- F Winter, RA Agarwal, J Hrdlicka & S Varjani, Springer Nature, Singapore, pp 5-17.

Sunita Varjani, B Mishra, R Yadavalli, BX Thanh, MJ Taherzadeh, DC Agrawal, S You & JS Chang, Petroleum waste biorefinery: A way towards circular economy, In: Waste Biorefinery: Value Addition through Resources Utilization, Editors - T Bhaskar, S Varjani, A Pandey & ER Rene, Elsevier, Amsterdam, Netherlands, pp. 375-389

R Rathna, Sunita Varjani & E Nakkeeran, Sequestration of heavy metals from industrial wastewater using composite ion exchangers, In: Applications of Ion exchange Materials in the Environment, Editors- MIA Inamuddin & AM Asiri, Springer Nature, Switzerland, pp. 187-204.

SV Mohan, JS Sravan, SK Butti, KV Krishna, JA Modestra, G Velvizhi, AN Kumar, Sunita Varjani & A Pandey, Microbial Electrochemical Technology: Emerging and Sustainable Platform, In: Microbial Electrochemical Technology: Sustainable Platform for Fuels, Chemicals and Remediation, Editors- SV Mohan, SJ Varjani & A Pandey, Elsevier, Amsterdam, Netherlands, pp 3-17.

R Thangamani, L Vidhya & Sunita Varjani, Role of nanotechnology in conversion of CO2 into industrial products, In: Chemo-Biological Systems for CO2 Utilization, Editors- A Kumar & Swati Sharma, CRC Press. Taylor and Francis, Boca Raton, Florida, USA, pp. 131-145.

P Gupta, R Rani, A Chandra, Sunita Varjani & V Kumar, The role of microbial consortium in bioremediation of tannery wastewater, In: Water and wastewater treatment technologies, Editors- BX Thanh, C Chiemchaisri, T Fujioka & S Varjani, Springer Nature, Singapore, 369-377. ​

Sunita J. Varjani & MC Sudha, Treatment technologies for emerging organic contaminants removal from wastewater, In: Water remediation, Editors- S Bhattacharya, AB Gupta, A Gupta & A Pandey, Springer Nature, Singapore, pp 91-115.

Sunita Varjani, MC Sudha, NM Kumar, BK Pillai, VK Srivastava, MK Awasthi, SK Awasthi & Z Zhang, Bioremediation of Pesticides in Soil Through Composting: Potential and Challenges, In: Biology of Composts, Soil Biology, Editors- MK Meghvansi & A Varma, vol 58, Springer Nature, Cham, Switzerland, pp. 217-244.

B Mishra, Sunita Varjani, G Karthikeya & S Varma, Agro-industrial by-products in the synthesis of food grade microbial pigments: An eco-friendly alternative, In: Green bio-processes: Industrial enzymes for food applications, Editors- P Binod, S Varjani & S Raveendran, Springer Nature, Singapore, pp 245-265.

Sunita J. Varjani, RR Joshi, PS Kumar, VK Srivastava, V Kumar, C Banerjee & RP Kumar, Polycyclic aromatic hydrocarbons from petroleum oil industry activities: Effect on human health and their biodegradation, In: Waste Bioremediation, Editors- SJ Varjani, E Gnansounou, B Gurunathan, D Pant & ZA Zakaria, Springer Nature, Singapore, pp 185-199

Sunita J. Varjani, AK Agarwal, E Gnansounou & B Gurunathan, Introduction to Environmental Protection and Management, In: Bioremediation: Applications for Environmental Protection and Management, Editors- SJ Varjani, AK Agarwal, E Gnansounou & B Gurunathan, Springer Nature, Singapore, pp 1-6.

Sunita J. Varjani, E Gnansounou, G Baskar, D Pant & ZA Zakaria, Introduction to Waste Bioremediation, In: Waste Bioremediation, Editors- SJ Varjani, E Gnansounou, B Gurunathan, D Pant & ZA Zakaria, Springer Nature, Singapore, pp 1-5.

Sunita J. Varjani, P. Binod, S Kumar & SK Khare, Introduction to Biosynthetic Technology and Environmental Challenges. In: Biosynthetic Technology and Environmental Challenges, Editors- SJ Varjani, P Binod, S Kumar & SK Khare, Springer Nature, Singapore, pp 3-7.

PS Kumar, S Suganya & Sunita J. Varjani, Evaluation of next-generation sequencing technologies for environmental monitoring in wastewater abatement, In: Bioremediation: Applications for Environmental Protection and Management, Editors- SJ Varjani, AK Agarwal, E Gnansounou & B Gurunathan, Springer Nature, Singapore, pp 29-52.

G Gupta, A Chandra, Sunita J. Varjani, C Banerjee & V Kumar, Role of biosurfactants in enhancing the microbial degradation of pyrene. In: Bioremediation: Applications for Environmental Protection and Management, Editors- SJ Varjani, AK Agarwal, E Gnansounou & B Gurunathan, Springer Nature, Singapore, pp 375-386.

A Banerjee, N Kumar, Sunita J. Varjani, C Guri, V Kumar, R Bandopadhyay, P Shukla & C Banerjee, Computational modelling and prediction of microalgae growth focused towards improved Lipid production, In: Biosynthetic Technology and Environmental Challenges, Editors- SJ Varjani, P Binod, S Kumar & SK Khare, Springer Nature, Singapore, pp 223-232.

S Chozhavendhan, RP kumar, S Elavazhagan, B Barathiraja, M Jayakumar & Sunita J. Varjani, Utilization of crude glycerol from biodiesel industry for the production of value added bioproducts, In: Waste to Wealth, Editors- RR Singhania, RA Agarwal, RP Kumar & R Sukumaran, Springer Nature, Singapore, pp 65-82.

Sunita Varjani, Bioremediation: A sustainable solution for complex environmental issues, In: Sustainable Development and India: Convergence of Law, Economics, Science, and Politics, Editors- BN Patel and R Nagar, Oxford University Press, New Delhi, India, pp 104-115.

PS Kumar, S Suganya & Sunita J. Varjani, Evaluation of next-generation sequencing technologies for environmental monitoring in wastewater abatement, In: Bioremediation: Applications for Environmental Protection and Management, Editors- SJ Varjani, AK Agarwal, E Gnansounou & B Gurunathan, Springer Nature, Singapore, pp 29-52.

Sunita J Varjani & RK Patel, Fungi- A remedy to eliminate environmental pollutants, In: Mycoremediation and Environmental Sustainability, Editor- R Prasad, Springer International, Cham, Switzerland, pp 53-67.

Sunita J Varjani, Biodegradation of petroleum hydrocarbon pollutants in marine environments, In: Microbes and Sustainable Agriculture, Editors- R Prasad & N Kumar, IK International, New Delhi, India, pp 89-99.

Sunita J Varjani, Biosurfactants in microbial enhanced oil recovery, In: Modern Tools & Techniques to Understand Microbes, Editors- A Varma & AK Sharma, Springer International, Cham, Switzerland, pp 369-379. ​

Sunita J Varjani, Microbial laccases and nanobiotechnology: Environmental perspective, In: Advances and Applications Through Fungal Nanobiotechnology, Editor- R Prasad, Springer International, Cham, Switzerland, pp 253-264.

Sunita J Varjani, Biosurfactants in microbial enhanced oil recovery, In: Modern Tools & Techniques to Understand Microbes, Editors- A Varma & AK Sharma, Springer International, Cham, Switzerland, pp 369-379. ​

Sunita J. Varjani & BD Uttekar, Advancements and applications of molecular techniques with analytical approach in Environmental Biotechnology. In: New innovations in environmental Biotechnology, Editors- MMAA Khan, M Abid, AM Omar, SN Pandey & RK Maheshwari, Lenin Media Private Limited, Delhi, India, pp 423-432.

Sunita J. Varjani, Effect of metal ions on growth of native Bacillus SVTH6 isolated from leachate of Banaskantha District in Gujarat, India, In: New Dimensions in Microbiology, Editor- MMAA Khan, Lenin Media Private Limited, Delhi, India, pp 14-22.