000 00300nam a2200097Ia 4500
008 241204b |||||||| |||| 00| 0 eng d
245 _aJournal of Educational Research Vol 58 (2-10) Oct 1964- Aug 1965
260 _aKolkata
_bDembar Education Resarch Services
_c1965
942 _cBV
999 _c360829
_d360829
041 _aeng