00567nam a22001697a 4500 230704b |||||||| |||| 00| 0 eng d National Science Library National Science Library 504.054 N2 Bist, Sujata पर्यावरण, प्रदुषण और इक्कीसवीन सदी Paryavarna pradooshan aur ikkisavin sadi New Delhi: Takshila Prakashan, 1992 126p. Environmental science Pollution udc HBK 48975 48975 0 0 udc 0 504054_N2 0 76101 NSL NSL GF/Rk-1/C-10/R-4 1995-12-10 0 504.054 N2 176042 2023-07-04 00:00:00 1995-12-10 HBK