Isyana, Amilia, Myrnawati Crie Handini, and Elsarika Damanik. 2023. “Pre-Disaster Efforts for Flash Floods in De Flamboyan Housing, Tanjung Selamat Village, Medan Tuntungan District in 2023”. Jurnal Info Sains : Informatika Dan Sains 13 (02):231-37. https://ejournal.seaninstitute.or.id/index.php/InfoSains/article/view/2828.