உடற்றொழிலியலும் உடனலவியலும் 
= Physiology and Hygiene 


 - Colombo:  Department of Official Language,  1957. 
 - 71p.;  24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Applied Science
<br/><br/><label>Dewey Class. No.: </label>603.013  / PHY