Harjupa, Wendi, Toyoshi Shimomai, Hiroyuki Hashiguchi, Yasushi Fujiyoshi, and Masayuki Kawashima. “Differences in Mechanisms of Orographic Rainfall over West Sumatra (Case Study: 10 April and 23 April 2004)”. JURNAL ILMU FISIKA | UNIVERSITAS ANDALAS 13, no. 1 (February 28, 2021): 8–17. Accessed January 8, 2025. http://jif.fmipa.unand.ac.id/index.php/jif/article/view/406.