Yulanda, Pipin. “Perancangan Sistem Monitoring Pendistribusian Liquefied Petroleum Gas Berbasis Android”. SAINS DAN INFORMATIKA : RESEARCH OF SCIENCE AND INFORMATIC 8, no. 1 (April 30, 2022): 16–24. Accessed April 30, 2024. http://publikasi.lldikti10.id/index.php/jsi/article/view/974.