VS, J., ., R., BISHT, S. and GROVER, S. (1992) “YEARLY VARIATION IN CERTAIN PHYSICO-CHEMICAL PARAMETERS OF POND AT EASTERN DOON VALLEY”, UTTAR PRADESH JOURNAL OF ZOOLOGY, 12(1), pp. 75–77. Available at: https://www.mbimph.com/index.php/UPJOZ/article/view/1073 (Accessed: 28 June 2025).