000 00265nam a2200097Ia 4500
008 160930s9999 xx 000 0 und d
100 _aPrasad, Janardan
245 _aPractical Aspects in Teaching of Science
260 _aNew Delhi
_bKrishna Publ. & Distr.
942 _cBK
999 _c4030
_d4030