Alfiyatin, A. N., W. F. Mahmudy, and Y. P. Anggodo. “Modelling Multi Regression With Particle Swarm Optimization Method to Food Production Forecasting”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 10, no. 3, Aug. 2018, pp. 91-95, https://jtec.utem.edu.my/jtec/article/view/3534.