00520nam a22001817a 4500 NUST - PNEC 20170116180749.0 150228b xxu||||| |||| 00| 0 eng d 8183770673 LIBRARY 577 SHA 1556 Sharama Kr Sushil Environment And Use Of Natural Resources Sharma, Sushil K New Delhi Mahaveer & Sons C 2006 324 . : 1557 Environment and Use of Natural Resources Histry ddc BK 62461 62461 0 0 ddc 0 0 PNEC PNEC WING-A 2007-09-17 M/e Eapital Book Co 1504.50 0 577 SHA PNECLIB-028463 2015-02-28 1504.50 2007-09-17 BK