Effective Ways of Teaching Periodicity, Patterns and the Propreties of Some Eelements

Please use this identifier to cite or link to this item: http://dlib.pdn.ac.lk/handle/123456789/2121

Title:	Effective Ways of Teaching Periodicity, Patterns and the Propreties of Some Eelements
Authors:	Rajapakse, R. M. N. W.
Keywords:	Science Education
Issue Date:	2006
URI:	http://hdl.handle.net/123456789/2121
Appears in Collections:	Masters PGIS

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