E. SALARZA, R., J C. Mora, and Khin Bo. “Use of Geothermal Energy for Process Heating in Industry”. ASIA PACIFIC JOURNAL OF SOCIAL INNOVATION 10, no. 2 (April 22, 2024): 197–236. Accessed December 22, 2024. https://journals.msuiit.edu.ph/tmf/article/view/410.