Lihayati, Rifa, Muldarisnur Muldarisnur, and Marzuki Marzuki. “Determination of Geothermal Fluid Characteristics in Pawan and Pendalian IV Koto Villages, Rokan Hulu Regency, Riau Province Using Geochemical Methods”. Jurnal Penelitian Pendidikan IPA 8, no. 2 (April 30, 2022): 969–974. Accessed November 22, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/1491.