THE IMPACT OF PRODUCTIVITY IMPROVEMENT TECHNIQUES ON RUBBER PLANTATION SECTOR - SPECIAL REFERANCE TO RUBBER TO SMALLHOLDER REHABILITATION PROJECTS  eng. 
Hapugaswatte, R S. 
 - ix, 64p.:  30cm. 
<br/><br/> Wijekoon, W M M G D. & Herath, H M P B. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/181