000 00295nam a2200133Ia 4500
008 230206s9999||||xx |||||||||||||| ||und||
020 _c160
040 _aDEL
100 _aSharma, R. A.
_9457
245 0 _aEducational Research
260 _bR. Lal Book
_aMeerut
300 _a480
942 _cBK
999 _c92063
_d92063