000 00305nam a2200121Ia 4500
008 221001s1981 xx 000 0 eng d
082 _a301.3 SHA
100 _aSharma, R. C.
245 0 _aEnvironmental education
260 _aNew Delhi
_bMetropolitan Book
_c1981
300 _aix, 142p.
942 _2ddc
_cBK
999 _c18638
_d18638