TY - BOOK TI - "Abstract bibliography of the oil palm, 1952-1974." T2 - "At the head of the title: Balai Penelitian Perkebunan, Medan." U1 - "016:634.614 ""1952/74"" (048) L5.1-5.2" PY - 1975/// CY - North Samatra PB - Strengthening research on rubber and oil palm KW - Oil palm-Bibliography-Abstracts ER -