Construction of a programmed text on 'electronic theory of valency' (Chemistry) for class 10th of Haldwani, distt, (Nainital) and finding out experimentally the effectiveness of high and low achievers in chemistry as compared to class room teaching
Gupta Pramod Kumar
creator
text
9
1976
monographic
00
eng
92p.
M. Ed. Dissertation (Delhi University)
540.7, GUP/DI
Dissertations
FEDL
008 2
20250508161832.0
eng