000 00281nam a2200109Ia 4500
100 _aSukhia, S. P. ; Mehrotra, P. V. & Mehrotra, R. N.
942 _cBK
245 _aElements of Educational Research
260 _aAllied, New delhi
_c1963
082 _a370.78 Suk
300 _axvi, 389
999 _c62760
_d62760