00674nam a22001937a 4500 230706b |||||||| |||| 00| 0 eng d 8176480541 National Science Library National Science Library 504.06 N9.4 Markandey, Dilip Kumar प्रकृति पर्यावरण प्रदूषण एवं नियंत्रण Prakriti paryavaran pradushan evam niyantaran New Delhi: A. P. H. Publishing Corporation, 1999 200p. Hindi literature Environment protection Rajvaidh, Nilima udc HBK 50033 50033 0 0 udc 0 50406_N94 0 78294 NSL NSL GF/REF/Rk-2/C-8/R-1 1999-10-07 0 504.06 N9.4 178736 2023-07-06 00:00:00 1999-10-07 HBK