00446nam a22001577a 4500003000400000005001700004008004100021020001800062082001700080100001900097245008800116250001200204260003600216300001800252700001800270OSt20250130104545.0250130b        |||||||| |||| 00| 0 eng d  a9788123923499  a363.73bAM1E  aAmbasht, R.S.   aEnvironment and pollution:bAn ecological approach cby R S Ambasht and P K Ambasht  a5th ed.  aNew DelhibCBS Publishersc2023  axiv,332p.bPB  aAmbasht, P.K.