000 00269nam a2200097Ia 4500
942 _cBV
654 _a
245 _aJournal of the Institute of Educational Research;Vol 3 & 4 No 1
_bJan 1979 To Sept 1980
260 _aMadras
_bDr. Y. Ramoji Rao
_c1980
082 _a370.7805
999 _c367334
_d367334
041 _aeng