Mitsuhara, Hiroyuki, and Masami Shishibori. “Tsunami Evacuation Drill System Focusing on Mobile Devices”. International Journal of Interactive Mobile Technologies (iJIM) 16, no. 06 (March 22, 2022): pp. 4–20. Accessed May 7, 2024. https://online-journals.org/index.php/i-jim/article/view/23419.