Alif Ramadhan, Haiqal. “Determinants of Economic Value Addition of Industrial Tuna Fish Processors in the Sea Food Processing Sub-Chain in Malaysia”. Journal of Economics Business Industry 1, no. 1 (July 31, 2023): 40–46. Accessed August 1, 2025. https://jurnaljepip.com/index.php/Jebin/article/view/11.