DION NICKY BRILIAN; BUDI SUPIAWAN; AZHAR. DESIGN AND DEVELOPMENT OF A PORTABLE MINI WATER HEATER USING BATTERY POWER FOR MOUNTAIN CLIMBERS . Journal of Frontier Research in Science and Engineering, [S. l.], v. 4, n. 1, p. 25–30, 2026. Disponível em: https://journal.riau-edutech.com/index.php/jofrise/article/view/191. Acesso em: 2 apr. 2026.