Weerasingha, B. <br/><br/>
ශාක සෛලය 
 Shaaka sailaya 

 - Colombo  Royal instiution   1979 
 - 231p., ill.,  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany <br/>Cell
<br/><br/><label>Universal Decimal Class. No.: </label>581  / VIR