Sabna, Eka, et al. “Prediction of Potential Food Vulnerability and Food Security in Pekanbaru City Using the Geographically Weighted Regression Method”. KUNKUN: Journal of Multidisciplinary Research, vol. 3, no. 1, Jan. 2026, pp. 22-30, https://ejournal.mediakunkun.com/index.php/kunkun/article/view/326.