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Concept attainment in biology in relation to some social familial variables of secondary school pupils of the backward areas of Malappuram District. /
| Autor principal: | |
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| Format: | Dissertation |
| Publicat: |
1994.
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University of Calicut
| Signatura: |
N4/6 |
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| Còpia | Comprovació en temps real no disponible |