000 00425nam a2200145Ia 4500
008 191209s9999 xx 000 0 und d
100 _aSharma, R A
245 0 _aEnvironmental education: Components, problems, management
260 _a Meerut
_bR Lall Book Depot
_c2000
300 _a411
490 _v2
600 _tEnvironmental problems & services; Social problems & services
942 _cBK
999 _c5440
_d5440