00411 a2200145 4500 633.8952 MAN 21948 34443 A manual on rubber growing and processing Agalawatta Rubber Research Institute of Sri Lanka 1996 1996 [iv,245p. 22cm Plantation crops Agriculture and related technologies Rubber SR 49372 49372 0 0 0 0 SRC MKDL MKDL REF 2009-08-11 0 633.8952MAN 54262 2009-08-11 00:00:00 0.00 2016-10-31 SR