RESEARCH ARTICLE Vol. 11 No. 2, December 1999, p. 114-122 REACTION FORCE AND ENERGY REQUIREMENT FOR CUTTING OIL PALM FRONDS BY SPRING POWERED SICKLE CUTTER ABDUL RAZAK Jelani*; DESA Ahmad**; AHMAD Hitam*; AZMl Yahya**; JOHARI Jamak* FULL TEXT | DOWNLOAD PDF