Ranaweera, A. M.  <br/><br/>
Integrated Science in the Secondary School in Sri Lanka 

 - Paris :  The UNESCO Press,  1976 
 - 31p.;  21cm 
 - Experiments and Innovations  in Education No.   27 .
<br/><br/><label>ISBN: </label>9231013742 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Report