Materials in and out of school which are available for lower secondary science classes

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dc.contributor.researcherDevasinghe, D.M.A.
dc.date.accessioned2015-04-20T04:47:49Z
dc.date.available2015-04-20T04:47:49Z
dc.date.award1983
dc.identifier.reportnumberFR 0426
dc.identifier.researchgrantnumberRG/SE/80/RP3
dc.identifier.urihttps://dl.nsf.gov.lk/handle/1/19210
dc.subjectSocial Sciences
dc.titleMaterials in and out of school which are available for lower secondary science classes

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