TY - GEN TI - Planters' bulletin of the rubber research institute of Malaya U1 - 633.8952 PY - 1952/// CY - Malaya PB - Rubber research institute KW - Field and plantation crops KW - Agriculture and related technologies KW - Rubber-producing and resin-producing plants KW - Rubber tree KW - Crops grown for other industrial purposes KW - Other crops grown for industrial processing ER -