Primary Science Workbook : 5Ea 

 - Singapore:  Pan Pacific Publications Ltd,  1982. 
 - 45p.;  29 cm. 
<br/><br/><label>ISBN: </label>9971 63 408 2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science &Technology<br/>Primary Education
<br/><br/><label>Dewey Class. No.: </label>372.35  / PRI