000 00392nam a2200157Ia 4500
020 _a818561332X
082 _a301.31
_bHUM
100 _aDubey, R. M
_956084
245 _aHuman ecology and environmental education
260 _aAllahabad:
_bChugh Publication,
_c1992.
300 _bvol 1 & 2.
500 _aIncludes bibliography
546 _aeng
650 _aEcology
_956085
942 _cBK
999 _c23468
_d23468