Yong, Hoi-Sen. <br/><br/>
Orchid portraits :  wild orchids of Malaysia and Southeast Asia / 
H. S. Yong. 
 - Kuala Lumpur :  Tropical Press,  1990. 
 - 124 p. :   ill. ;   26 cm. 
<br/><br/><label>ISBN: </label>5967730555 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orchids--Asia, Southeastern.<br/>Orchids--Malaysia.<br/>Orchids--Varieties.--Asia, Southeastern