000 00475nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a371.26
_bRb-70-70
100 _aBadran Yehia
245 _aCost effectiveness model for educational programs
260 _aNew Jersey
_bETS
_c1970
440 _aEducational Testing Service. Princeton : Research bulletin; 70
650 _aEducational tests and measurements
942 _cBK
999 _c92955
_d92955