Amelia, Siska, Ernan Rustiadi, Baba Barus, and Bambang Juanda. 2022. “Spatial Analysis of Region Interaction of West-East corridor’s Strategic Economic Area of West Sumatera Province, Indonesia”. Journal of Socioeconomics and Development 5 (1):53-63. https://doi.org/10.31328/jsed.v5i1.3247.