000 00323 a2200133 4500
000 nam a22 7a 4500
100 _aSingh, S P
110 _aSingh, S P
245 _aEcology, Environmental Science and Conservation
250 _aLatest edition
260 _bS Chand
_c2025
264 _bS Chand
_c2025
942 _cBK
999 _c396067
_d396067