000 00298nam a2200121Ia 4500
100 _aPal, S K & Saxena, P C
942 _cBK
245 _aQuality control in educational research
260 _aNew Delhi
_bMetropolitan
_c1985
082 _a370.78
_bPal/Sax
300 _axxvi,660
546 _aEnglish
999 _c335005
_d335005
041 _aeng