| Publication Year | Details |
|---|---|
| 2007 | Harikumar P S, Madhavan K, Shimjida P and Bindu K R, Study on Hydrochemistry and Quality of Vembanad Lake in the Southwest (Kerala) Coast of India, Eco-Chronicle, Vol 2(2), June 2007, 69-80 |
| 2007 | Sreenikethan G, Harikumar P S and Maheesan P M (2007), Process of Nitrification in Constructed Wetland Having Vertical Flow Beds, Eco-Chronicle,Vol 2(4) |
| 2006 | Harikumar, P. S (2006) "Environmental Status of Kol Wetland System of Thrissur District with Special Reference to Water and Sediment Quality."Ecology Environment and Conservation 12.2, 262. |
| 2006 | Harikumar, P. S., and K. Madhavan. "Estimation of Water Pollution and Assimilative Capacity of River Pamba, Kerala." POLLUTION RESEARCH 25.4 (2006): 707. |
| 2005 | Harikumar P S(2005) Indigenous Technologies for Drinking Water Treatment, Folkore Research Journal, 15, June |
| 2005 | K.J.Shiny, K.N.Remani, E Nirmala, T.K.Jalaja and V.K.Sashidharan.(2005).Biotreatment ofWastewater Using aquatic invertebrates, Daphnia magna and Paramecium caudatum.International Journal of Bioresources Technology, Vol.96(1), PP 5558. |
| 2004 | K.J.Shiny, K.N.Remani, T.K.Jalaja and V.K.Sasidharan(2004). Removal of Chromium by two aquatic pteridophytes. Journal of Environmental Science and Engineering. Vol.46, No.3, pp 249 – 251 |
| 2004 | Remani, K. N, Harikumar P. S, and Shiny K. J (2004) Ecological status of Chitrapuzha river with reference to discharge of Industrial effluents in Cochin Area., Ecology Environment and Conservation 10 183-186. |
| 2000 | Harikumar, P. S., Madhavan, K., & Khan, A. B. (2000). Water quality problems of Kerala with special reference to fluoride. Ecology Environment and Conservation, 6, 245-249. |
| 2000 | K.J.Shiny, Nirmala.ET.K.Jalaja, K.N.Remani (2000). Development of Biological Models for water purification using Aquatic FaunaJournal of Environmental Science and Engineering. Vol.46, No.3, pp 249 – 251. |
| 2000 | Lakshmi, K, Narayanan Unni P N and Harikumar P S (2000) "Environmental Status of the Mangrove Ecosystem in Valapattanam River Basin, Kerala." Ecology, Environment & Conservation 6.4 : 363-371 |
| 1988 | Harikumar P S, Narayanan p and Sivasankara Pillai(1988), Cyclic Voltammetric Studies on Electrocatalysis by Plasma Treated Cobalt Phthalocyanine, Bulletin of Electrochemistry (4), 233-236 |
| 1990 | Harikumar P S and Sivasankara Pillai V N (1990) Mediation of Elcetron Transfer by Cobalt Tetrasulphopthalocyanaine Incorporated poly(o-toluidine) (1990), Bulletin of Electrochemistry, 6. |
| 1990 | Harikumar P S and Sivasankara Pillai V N (1990) Oxidative transformation in iodine doped cobalt phthalocyanine Journal of Materials Science Letters November 1990, Volume 9, Issue 11, pp 1324-1325 |
| 1989 | Harikumr P S and Sivasankara Pillai V N Doping Enhanced Electrical Conductivity and Electrocatalytic Activity by Cobalt Phtalocyanaine (1989) Journal of Material Science Letters (8) 969 |
| 1990 | Harikumar P S and Sivasankara Pillai V N (1990) Oxidative transformation in iodine doped cobalt phthalocyanine Journal of Materials Science Letters November 1990, Volume 9, Issue 11, pp 1324-1325 |
| 1989 | Harikumr P S and Sivasankara Pillai V N Doping Enhanced Electrical Conductivity and Electrocatalytic Activity by Cobalt Phtalocyanaine (1989) Journal of Material Science Letters (8) 969 |
| 2020 | Kishore K., Saneeshmon K.N., Trassan M. Udayan, Chithra V.S, Shefin Anas, Benila SM., 2020. Quantification of vehicular particulate matter emissions in Kochi city. Indian Journal of Environmental Protection 40 (6) : 623-627. |
| 2020 | Amal J.S. Luke, Glady Thomas, Sighin Sunny, Chithra V.S, Rahul P. Santhosh, Surya Ravindran, 2020. Electricity production from food waste leachate using microbial fuel cell. Indian Journal of Environmental Protection 40 (6) : 628-632. |
| 2019 | Nagendra, S.M.S., Peter A.E., Chithra,V.S., 2019. Assessment of Inhalable Toxic Particulates on the Health of children in a Tropical Urban Environment. Journal of Environmental Science & Engineering. 61(3), 768-774 |