000 002620000a22001210004500
245 _aEducational psychology
100 _aMuthulingam, S.
260 _aJaffna
_bV. Sathasivam
_c1975
300 _a377 p
080 _a37.015
_bM8
041 _aEN
942 _cBK
999 _c106056
_d106056