00523nam a22001697a 4500 230609b |||||||| |||| 00| 0 eng d National Science Library National Science Library 628.19:628.162/.163 M4 Trivedy, R K 11361 Chemical and biological methods for water pollution studies Karad: Environmental Publications, 1984 215p. Water chemistry Water-Analysis Goel, P K udc BK 41779 41779 0 0 udc 0 62819628162163_M4 0 62310 NSL NSL GF/Rk-13/C-17/R-3 1984-05-10 0 628.19:628.162/.163 M4 104473 2023-06-09 00:00:00 1984-05-10 BK