00955nam a22001577a 4500 OSt 20150927105350.0 150927b xxu||||| |||| 00| 0 eng d RUA AGR CHA 1999 B001 Or.1 1411 CHAN, PEO. Study of the variable factors of rubber resin yield at metot rubber plantion, ការសិក្សាលើកត្តាបមរែបំរួលឬិន្នផលជ័រកៅស៊ូ នៅចំការកៅស៊ូមេមត់ Phnom Penh RUA 1999 79p. ill. 29cm. ddc AGR 1326 1326 0 0 ddc 0 AGR_CHA_1999_000000000000000_B001_OR_1 0 5744 LBB LBB B001 2015-09-27 AGR CHA 1999 B001 Or.1 RUA019052 2015-09-27 2015-09-27 AGR