00621nam a22001817a 4500 230704b |||||||| |||| 00| 0 eng d 81-7024-661-X National Science Library National Science Library 504.453(282.253.21) N5 Chandra, Suresh गंगा परिस्थिति एवं प्रदुषण: (Ganges ecology and pollution) Ganga paristhiti evam pradushan New Delhi: Ashish Publishing House, 1995 125p. Environmental science Pollution udc BK 48963 48963 0 0 udc 0 50445328225321_N5 0 76091 NSL NSL GF/Rk-1/C-10/R-4 1996-01-03 0 504.453(282.253.21) N5 176172 2023-07-04 00:00:00 1996-01-03 BK