Gunawardana, U.D. Ananda S. <br/><br/>
යුරේකා 
 Yureka 

 -  Vidyaarathna vidyaa shya sangamaya 
 - 50p.,  24 cm 
<br/><br/> S 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radioactivity <br/>Light <br/>Photosynthesis <br/>Enzyme <br/>Evolution
<br/><br/><label>Universal Decimal Class. No.: </label>6 (05)  /