Tanjung, Fadhel Imam Haichal, and Erwin Tanur. “Spatial Spillover Effects in Food Security: A Spatial Lag Fixed Effects Model for Regencies and Cities in West Sumatra (2019–2023)”. Proceedings of The International Conference on Data Science and Official Statistics 2025, no. 1 (December 22, 2025): 825–836. Accessed December 27, 2025. https://proceedings.stis.ac.id/icdsos/article/view/485.