School science teaching:report of an expert conferrence held at the university of ceylon peradeniya, december 1963. 

 - London:  Her majesty's stationery office,  1964. 
 - 140p.  23cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, research & related topics
<br/><br/><label>Dewey Class. No.: </label>507  / SCH