| K.N.Remani, T.K.Jalaja and G R Asish. (2010). Antimicrobial Activity of Wetland Plant Excoecariaagallocha on Escherichia coli and Streptococcus haemolyticus. The Icfai University Journal of Life Sciences,Vol IV No.1 pp 4247. |
| Madhavn K and Harikumar P S Assessment of Water Quality Characteristics of Soda Water, Pollution Research, 2010 Issue no 2 |
| Unnikrishnan Warrier, C., Praveen Babu, M., Manjula, P., Velayudhan, K.T., Shahul Hameed, A. and Vasu, K., 2010. Isotopic Characterization of Dual Monsoon Precipitation-Evidence from Kerala, India. Current Science, Vol. 98, pp.1487-1495 |
| Harikumar P S , Nasir U P and Mujeebu Rahman M P, Distribution of heavy metals in the core sediments of a tropical wetland system, International J. Environ. Sci. Tech., Vol 6(2), 2009, pp225-232 1.79 |
| Jacks, G., P. S. Harikumar, and P. Bhattacharya. "Fluoride Mobilization in India." Goldschmidt Conf. Abstr. 2009. |
| K.N. Remani, P. Jayakumar and T.K. Jalaja(2009). Environmental Problems and Management Aspects of VembanadKol Wetlands in the South –West Coast of India. Journal of Nature Environment and Pollution Technology,Maharashtra. |
| SHAHUL HAMEED,A., UNNIKRISHNAN WARRIER, C., VELAYUDHAN, K.T. and SURAJ, S. (2009) : Hydraulic continuity between groundwater sources in the Malabar region of Kerala-Evidence from stable isotopes and Ion chemistry. In Recent trends in water research Hydroc |
| Sreenikethan, G., Maheesan, P.M and Harikumar, P.S (2009), Tertiary treatment in a vertical flow reed bed system, Journal of Industrial Pollution Control, 25 (1), pp. 79-81. |
| Shahul Hameed, A and Narasimha Prasad, N B, 2008, “Hydro-Chemical Assessment and Groundwater Recharge Mechanism in the Humid Tropics - A Case Study”, Jr. of Environmental Science and Engineering, October, Vol. 50, No. 4, pp. 263-270. |
| 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 |
| 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) |
| 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. |
| Harikumar, P. S., and K. Madhavan. "Estimation of Water Pollution and Assimilative Capacity of River Pamba, Kerala." POLLUTION RESEARCH 25.4 (2006): 707. |
| Harikumar P S(2005) Indigenous Technologies for Drinking Water Treatment, Folkore Research Journal, 15, June |
| 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. |
| 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 |
| 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. |
| 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. |
| 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. |
| 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 |
