000 00451nam a22001577a 4500
999 _c2392
_d2392
005 20200203112251.0
008 121102b xxu||||| |||| 00| 0 eng d
020 _a8176489093
082 _222
_a363.7 SIN
100 _aSingh,Y.K
245 _aTeaching of Environmental Science/ (Acc. 4172)
_cY.K.Singh
260 _aNew Delhi;
_bA P H Publishing Corpoartion,
_c[2005]
300 _ax,366 p.
_bill.
_c22 cm.
650 _aEnvironment.
942 _2ddc
_cENV