Teh, Ching Yee, and Siti Noor Asyikin binti Mohd Razali. “Linear Programming Approach in Fruits Production in Johor”. Enhanced Knowledge in Sciences and Technology, vol. 2, no. 1, Aug. 2022, pp. 122-31, https://publisher.uthm.edu.my/periodicals/index.php/ekst/article/view/5311.