000 00409nam a2200157Ia 4500
008 180323s9999 xx 000 0 und d
082 _a370
100 _a   Siddiqui, M.S.
245 0 _aResearch in teaching of science & mathem
250 _a1st
260 _aNew Delhi
_bIndian Pub.House
300 _aNot covered syllabus
500 _a2481
650 _aTeaching - research - science
942 _cBOOK
999 _c8288
_d8288