University of Guyana Library Search for 'se:Unesco. Teaching of basic sciences.'

New Trends in chemistry teaching /

Paris : Unesco, 1967 . 3vols.-

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New trends in physics teaching /

Paris : Unesco, 1968 . 2 vols.-

Place Hold on New trends in physics teaching /

vols. 2, 3 -

, United Nations Educational, Scientific and Cultural Organization : t :

Place Hold on vols. 2, 3 -