I. Chaniago, I. Suliansyah, M. Kasim, and R. Reflinaldon, “Studies on Wheat (Triticum aestivum L.) Adaptability in The Province of West Sumatera, Indonesia”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 4, no. 5, pp. 358–363, Oct. 2014.