Sivapala, Siva. <br/><br/>
The Research on Promoting the Achievment Level of Science Subject in Vavunia Division Schools Through the analysis of the Present Trend of the Above Subject 

 - Maharagama  2000 
 - 44p. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>M.Ed.<br/>Science