Aveno, D. C. “Forecasting Outpatient Visits: Leveraging Genetic Fuzzy Systems for Enhanced Healthcare Management at Efarina Etaham Berastagi Hospital”. International Journal of Enterprise Modelling, vol. 18, no. 3, Sept. 2024, pp. 132-40, http://ieia.ristek.or.id/index.php/ieia/article/view/97.