ROY SIANTURI; HENDRIK V. SIHOMBING; JANTER SIMANJUNTAK; FAREL H. NAPITUPULU. Energy Analysis of Geothermal Resources in the Volcanic Zone of North Sumatra for Renewable and Reliable Power Supply. International Journal of Energy Systems and Materials Innovation, [S. l.], v. 1, n. 1, p. 09–15, 2025. Disponível em: https://journal.gioedutech.id/index.php/IJESMI/article/view/2. Acesso em: 23 jan. 2026.