000 00316nam a2200121Ia 4500
008 240831s9999||||xx |||||||||||||| ||und||
020 _a9788120345447
100 _aKalra, R M
245 0 _aTeaching of Science: A Modern Approach
260 _aNew Delhi
_bPHI Learning Pvt Ltd
_c2012
300 _a224p.
942 _yBK
999 _c23313
_d23313