Puteh, A. Q. ., Mohd Shahrome, A. A. ., Haji Razali, M. H. ., & Sulaiman, A. (2022). Comparative Study of Carotenoids Content in Ripe and Unripe Oil Palm Fresh Fruit Bunches. International Journal of Integrated Engineering, 14(9), 240-246. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/11933