Koshy P M., Rinoy Varghese, Subin K.J., Mayarani C B and Thomas A P.2012. Assessment of heavy metal pollution and bacterial heavy metal resistance in the sediment of vattakayal lake system, near chavara industrial area, Kollam, Kerala. Poll Res., 31(2):55-61.
Koshy P M., Rinoy Varghese, Subin K.J., Mayarani, C B Vineetha S A and Thomas A.P 2012.Charactrization and identification of Bacillus lichiniformis – efficient heavy metal resistant bacteria strain. NCBI, nucleotide. Gene bank: JQ 863364.1
Koshy P M., Rinoy Varghese, Subin K.J., Mayarani C B Vineetha S A and Thomas A P.2012.Charactrization and identification of Bacillus cerus – efficient heavy metal resistant bacteria strain. NCBI, nucleotide. Gene bank: JQ 863364.1
Koshy P M., Subin K J. and Thomas A P.2010. A study on the distribution of heavy metals in the sediment of Vattakayal near Chavara industrial area, Kollam. In proceedings of International seminar on Green path to sustainability prospects and challenches, organized by Assumption College, Changanassery, Kottayam in association with Rajiv Gandhi chair in contemporary studies, CUSAT, Cochin, from 7th to 8th (ISBN: 978-81-907269-9-3)
Koshy P M., Mayarani C B., Subi Mathew., and Jiji Thomas.2015. Bioremediation of heavy metals using Bacillus valismortis. Solid Waste Management Emerging Trends and Challenges (SWMETAC- 2015), Published by Saras publication, Nagercoil pp 35-43. (ISBN No. 978-93-84826-94-9)
Revathy L.R., M.Koshy. and C.B.Maya Rani. 2014. Heavy metal tolerance of Bacterial strainisolated from Chavara industrial area Kollam, Kerala. National Seminar on Marine and CoastalBiodiversity and its Conservation for future generations” held at P.G. and Research Department ofZoology, St. Stephen‟s College Pathanapuram on 22-23 September,2014.pp 152-156.