Lukmana, Allen Haryanto Lukmana. “Direct Utilization of Geothermal Energy in Menengai, Kenya: Pilot Project for Drying Food Commodities in Lesiolo, Nakuru”. Journal of Petroleum and Geothermal Technology 1, no. 1 (July 17, 2020): 44–49. Accessed December 5, 2025. https://jurnal.upnyk.ac.id/index.php/jest/article/view/006.