000 00822nam a2200265Ia 4500
003 OSt
005 20220927103715.0
006 a|||||r|||| 00| 0
007 ta
008 220926b |||||||| |||| 00| 0 eng d
024 _a121693
037 _cReference Collections
040 _aRTL
_cRTL
_beng
041 _2eng
_aeng
082 _a"T:520j2, L8/UN"
100 _aHeyneman Stephen P. etc.
_9361460
245 0 _aText books and achievement
_b What we know
260 _aWashington
_bWorld Bank U. S. A.
_c1978
300 _a34p. References : 32-34
_ccm.
490 _aWorld Bank Staff Working Papers. 298.
650 _a Education
_9361461
650 _aEducational Measurement
_9361462
942 _h"T:520j2, L8/UN"
_cCC
999 _c684760
_d684760