000 00346nam a2200145Ia 4500
100 _aISTE-28th Annual
942 _cBK
654 _aISTE
245 _aConvention of ISTE National Seminaron Envirant & Devpt
260 _bISTE Publications
_aPunjab
_c1998
082 _a658.408
_bISTE
300 _a167
546 _aENGLISH
999 _c32271
_d32271