Suryani, E., R.A. Hendrawan, E. Taufik, I. Muhandhis, and L.P. Dewi. 2018. “The Development of System Dynamics Model to Increase National Sugar Fulfillment Ratio”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 10 (2-3):91-96. https://jtec.utem.edu.my/jtec/article/view/4199.