Population Dynamics and Educational Development 

 - Bankok:  Unesco,  1974. 
 - 285p.;  23cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Factors affecting social behavior<br/>J.E. Dayasuriya Collection<br/>Premadasa Udagama Collection
<br/><br/><label>Dewey Class. No.: </label>304.65  / POP