Sabar, Mariah Binti, and Anton Abdulbasah Kamil. “Estimating Technical Efficiency of Crude Palm Oil in Malaysia”. Journal of Numerical Optimization and Technology Management 1, no. 2 (April 3, 2024): 52-58. Accessed May 1, 2026. https://www.shmpublisher.com/index.php/jnotm/article/view/305.