Pranandu , W. O . T . <br/><br/>
General knowledge 2  

 - Colombo :  Gihan Publishers ,  2012 . 
 - 220 P . ;  22 cm  
<br/><br/><label>ISBN: </label>9789555935395 
<br/><br/><label>Subjects--Topical Terms: </label><br/>research and scientific method
<br/><br/><label>Subjects--Index Terms: </label>general knowledge research and scientific method 
<br/><br/><label>Dewey Class. No.: </label>001