Mutmainah, Herdiana, and Aprizon Putra. “Identification of Coastal Vulnerability at The North Pagai Island of Mentawai Using Smartline Method”. Sumatra Journal of Disaster, Geography and Geography Education 1, no. 2 (December 12, 2017): 130–139. Accessed November 7, 2026. http://sjdgge.ppj.unp.ac.id/index.php/Sjdgge/article/view/98.