“Potensi Energi Terbarukan Limbah Cair Kelapa Sawit”, SEMDI-UNAYA, vol. 3, no. 1, hlm. 432–441, Des 2019, Diakses: Okt 17, 2026. Tersedia pada: https://jurnal.abulyatama.ac.id/index.php/semdiunaya/article/view/477