000 00688nam a2200193Ia 4500
005 20250508155839.0
008 008 250505s9999 xx 000 0 eng d
037 _aDissertations
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a507.91, SIN/DI
_qFEDL
100 _aSingh Ladli Charan
_9767659
245 0 _a" Construction of a test of understanding of the scientific principles and their applications in daily life for the students of delta class in Delhi higher secondary schools"
260 _c1958
300 _a48p.
546 _aM. Ed. Dissertations, 1958 (Delhi University)
942 _cDIS
_h507.91, SIN/DI
999 _c1359597
_d1359597