000 00504nam a2200181Ia 4500
008 141027s9999||||xx |||||||||||||| ||und||
100 _aParab, Yogita
100 _bNatarajan, Chitra
245 _aResources, Ecological Balances
245 _bActivity Based Foundation Course On Science, Technology And Society, Curriculum Book 6
260 _aMumbai
260 _bHomi Bhabha Centre For Science Education
260 _c1998
300 _a96
300 _bpb
300 _c7.5x9.5
440 _v6
999 _c82752
_d82752