Amrullah, Ilham, and Izza Anshory. “Portable Water Heater Design With Battery Based Temperature Control: Desain Pemanas Air Portabel Dengan Pengatur Suhu Bertenaga Baterai”. Indonesian Journal of Innovation Studies 27, no. 1 (April 4, 2026): 10.21070/ijins.v27i1.2072. Accessed April 7, 2026. https://ijins.umsida.ac.id/index.php/ijins/article/view/2072.