000 00314nam a2200145Ia 4500
008 221121s9999 xx 000 0 und d
041 _aENGLISH
082 _bKHA
100 _aKHAN,M.S.
245 0 _aEDUCATIONAL RESEARCH
260 _bAPH PUBLICATION
300 _a164
650 _aPEDAGOGY
942 _cREF
999 _c177753
_d177753