Proceedings of The National Seminar on Mechanization in Oil Palm Plantation: Towards Improving Productivity Through Mechanization: Selangor (Malaysia), 30 Jun-1 Jul 1998, p. 106-118
Proceedings of The National Seminar on Mechanization in Oil Palm Plantation: Towards Improving Productivity Through Mechanization: Selangor (Malaysia), 30 Jun-1 Jul 1998, p. 101-105