Suhartono S, Prastyo DD, Kuswanto H, Lee MH. Comparison between VAR, GSTAR, FFNN-VAR and FFNN-GSTAR Models for Forecasting Oil Production. MATEMATIKA [Internet]. 2018 May 28 [cited 2024 Dec. 4];34(1):103-11. Available from: https://matematika.utm.my/index.php/matematika/article/view/1040