C.G. Achi, A.O. Coker, and M.K.C. Sridhar (2018) Cassava Processing Wastes: Options and Potentials for Resource Recovery in Nigeria. Springer Nature Singapore Pte Ltd. 2018 77. S.K. Ghosh (ed.), Utilization and Management of Bioresources, DOI 10.1007/978-981-10-5349-8_8

C.G. Achi (2016) Water Hyacinth-based Sewage Treatment Plant at University of Ibadan: Operations, Performance and Challenges. LAP Lambert Academic Publishing (2016). ISBN-13:          978-3-659-97509-7. Pp 1-88 

A.O. Coker, C.G. Achi, M.K.C. Sridhar, and C.J. Donnett (2016) “Solid Waste Management Practices at a Private Institution of Higher Learning in Nigeria”. Waste Management for Resource Utilisation. Procedia Environmental Sciences. Elsevier. Volume 35, 2016, Pages 28–39 

Sadhan Kumar Ghosh, Joonheon Lee, Achi Chibueze Godwin, Adekunle Oke, Reem Al-Rawi, and Mervat El-Hoz (2016) “Waste Management in USA through case studies: e-waste recycling and waste to energy plant” Proceedings of the 31^st International Conference on Solid Waste Technology and Management. Philadelphia, PA, U.S.A. April 3 – 6, 2015. Pages 283 – 301 

A. O. Coker, M. K. C. Sridhar, A. E. Osilagun and, C. G. Achi (2016) “Waste Management Challenges at a Religious Congregation:  A Study from the South-West of Nigeria”. In Contemporary Nigeria: Transitional Agencies of Change Ed. S. U. Fwatshak, Africa World Press, Inc. Trenton, New Jersey, USA, Chapter 14, Pages 183 - 194

C.G. Achi., A.O Coker, M.K.C. Sridhar (2015) “Cassava Processing Waste: The Underutilized Resource in Nigeria” Proceedings of 1^st University of Ibadan Technology Conference (UITECH2015). Theme: Energy Technology for sustainable development and security. July 6 – 8, 2015, Pp 6 – 15

A.O. Coker and C.G. Achi (2015) “Utilization of Cassava Processing Waste in Ibadan as a Viable and Sustainable Strategy for Meeting Cassava Processing Energy needs: Case Study from Ibadan City, Nigeria” Proceedings of the 30^th International Conference on Solid Waste Technology and Management. Philadelphia, PA, U.S.A. March 15 – 18, 2015. Pages 628 – 639

C.G. Achi, M.K.C. Sridhar, A.O Coker, (2014) “Performance Evaluation of a Water Hyacinth Based Institutional Wastewater Treatment Plant to Mitigate Aquatic Macrophyte Growths at Ibadan, Nigeria”. International Journal of Applied Science and Technology, Centre for Promoting Ideas, USA Vol. 4, No. 3, pages. 117 – 124

XI        Articles under Review

A. O. Coker, M. K. C. Sridhar, M. S. Awopetu, and C.G. Achi(2016) 

“Utilization of Granulated Scrap Tyre in Asphaltic Concrete Mixes: A Study of Agbabu Plain Bitumen in Nigeria’ Journal of Applied Science, Engineering and Technology. Faculty of Technology University of Ibadan

XII      Conferences attended with Papers Presented

C.G. Achi., A.O Coker, M.K.C. Sridhar (2015) “Cassava Processing Waste: The Underutilized Resource in Nigeria” Proceedings of 1^st University of Ibadan Technology Conference (UITECH2015). Theme: Energy Technology for sustainable development and security. July 6 – 8,2015

A.O. Coker and C.G. Achi (2015) “Utilization of Cassava Processing Waste in Ibadan as a Viable and Sustainable Strategy for Meeting Cassava Processing Energy needs: Case Study from Ibadan City, Nigeria” at the Thirtieth International Conference on Solid Waste Technology and Management. Philadelphia, PA U.S.A. March 15 – 18, 2015

C.G. Achi, A.O Coker, M.K.C. Sridhar (2013) “Challenges of Operating a water Hyacinth Treatment Plant and the Engineering solutions for Sustainable Management”. Proceedings of 1^st National Conference on Environmental Health Sciences: Faculty of Public Health, College of Medicine, University of Ibadan.

Reviewer for;

1.       Mangement of Environemtnal Quality; Emerald Publishing Howard House, Wagon Lane, Bingley, West Yorks., BD16 1WA, United Kingdom