Purwo Subekti, Defidelwina, Ikhsan Gunawan, Heffi Christya Rahayu, Pada Lumba, Yuliana Susanti, Laily Fitriana, Budi Irwansyah, and Januar Kaswari. 2023. “Trial of Utilization of Biogas from Palm Oil Mill Effluent on Household Gas Burner”. Aptek 15 (2):155-57. https://doi.org/10.30606/aptek.v15i2.1933.