000 00431 a2200145 4500
080 _a577.4(02)
_bB731N
245 1 _aNatural study for conservation
_bA handbook for environmental education
_cby John W. Brainerd
260 _aNew York
_bMacmillan
_c1971
650 _aNature Study
650 _aConservation
100 1 _aBrainerd, John W.
300 _a352p.
040 _aIARI, New Delhi
901 _a110321
999 _c32257
_d32257