CHANDY, J., MAMMEN, K.M. and SANALKUMAR, M.G. 2022. CHEMICAL ANALYSIS OF WATER SAMPLES FROM KUTTANAD WETLAND ECOSYSTEM FOR PERSISTENCE OF PYRETHROID PESTICIDE RESIDUES: LAMBDA CYHALOTHRIN, FENVALERATE AND CYPERMETHRIN. UTTAR PRADESH JOURNAL OF ZOOLOGY. 43, 18 (Oct. 2022), 57–64. DOI:https://doi.org/10.56557/upjoz/2022/v43i183172.