2026. Engineering Design of a Hybrid Groundwater Treatment System in Suka Damai Village, Muara Badak Subdistrict, Kutai Kartanegara Regency. Teknobiz : Jurnal Ilmiah Program Studi Magister Teknik Mesin. 16, 1 (Mar. 2026), 64–69. DOI:https://doi.org/10.35814/nxgq6q75.