Bulletin of the rubber reseasrch institute of Srilanka : Centinnial special issue
Entered as a journal by PR and sent to SLSC
RUBBER INDUSTRY - SRI LANKA : HISTORIC TIMES - Sri lanka : MEDIAEVAL AND MODERN TIMES - Sri LANKA
678.032:904(548.7) / R8
Entered as a journal by PR and sent to SLSC
RUBBER INDUSTRY - SRI LANKA : HISTORIC TIMES - Sri lanka : MEDIAEVAL AND MODERN TIMES - Sri LANKA
678.032:904(548.7) / R8