000 00619nam a2200193Ia 4500
005 20250508162259.0
008 008 250505s9999 xx 000 0 eng d
037 _aDissertations
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a516, YAD/DI
_qFEDL
100 _aYadav Narain Das
_9772737
245 0 _aEffectiveness of programmed lessions as a remedial-tool for low achievers in learning some geometrical concepts (6th years)
260 _c1983
300 _a77p.
546 _aM.Ed. Dissertation (Delhi University)
942 _cDIS
_h516, YAD/DI
999 _c1375563
_d1375563