Yossyafra, M. Noer, R. Hakimi, and M. Reza, “A Challenge in Providing Housing Land and Sustainable Agricultural Land; An Effort to Meet The Backlog of Housing and Food Security in West Sumatra”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 8, no. 6, pp. 2696–2701, Dec. 2018.