EVALUATION resource material 1: chemistry 

 - Colombo  Division of Secondary Education, Ministry of Education  1968 
 - xi, 175 p. 
<br/><br/><label>ISBN: </label>247448 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry
<br/><br/><label>Dewey Class. No.: </label>540  / EVA