00441nam a22001577a 4500 OSt 20150915142328.0 150915b xxu||||| |||| 00| 0 eng d RUA AGR SAM 1999 BOO25 1999 Or1 518 SAMRETH, SOPHEA Dvelopment plant of rubber plantation rubber compeny(from year 2000-2010). phnom phen RUA 1999 111p. ill. 29cm. ddc AGR 498 498