HENG, VISAL. <br/><br/>
Rubber planting technice at peam cheang rubber plantation, បច្ចេកដាំដុះកៅស៊ូនៅចំការកៅស៊ូពាមជាំង 

 - Phnom Penh  RUA  2004 
 - vii; 44p.  ill.  29cm. 
<br/><br/><label>Dewey Class. No.: </label>ATM.s HEN 2004 B213 Or.1