000 00571nam a2200193Ia 4500
005 20250508163252.0
008 008 250505s9999 xx 000 0 eng d
037 _aTheses
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a370, RAJ/TH
_qFEDL
100 _aRaj Rani
245 0 _aFactorial and validational study of the abilities involved in learning chemistry at the secondary stage
260 _c1986
300 _a197p.
546 _aPh. D. Thesis, (Delhi University)
942 _cTH
_h370, RAJ/TH
999 _c1381919
_d1381919