000 00333nam a2200133Ia 4500
008 230601s9999 xx 000 0 und d
100 _aSingh, M S
245 0 _aEnvironmental Education
250 _aReprint
260 _aNew Delhi
_bAdhyanyan Publishers
_c2007
300 _a228p.
650 _aEnvironmental Education
942 _cREF
999 _c9374
_d9374