000 00345nam a2200133Ia 4500
008 221001s2004 xx 000 0 eng d
020 _a8188124058
082 _a301.3 MAL (H)
100 _aMalik, Jasveer Singh
245 0 _aParyavaran shiksha
260 _aNew Delhi
_bSatyam Publishing House
_c2004
300 _axii, 324p.
942 _2ddc
_cBK
999 _c33971
_d33971