000 00000nam a2200000 a 4500
005 20251203090517.0
100 _aSingh, J
245 _aResearch Report International Institute For Educational Planning
260 _aParis
_bUnesco
_c1985
300 _a101, 32cm
964 _aM
_bEng
_c100
_d
_e010
_f
_g_
997 _a12791 W
999 _c10164
_d10164