Yong hoi-Sen <br/><br/>
Malaysian butterflies  an introduction 
Yong Hoi- Sen 
 - Kuala Lumpur  Tropical Press665  1983 
<br/><br/><label>ISBN: </label>9677300172 
<br/><br/><label>Subjects--Topical Terms: </label><br/>butterflies--Malaysia<br/>Insects--Malaysia