Hariyadi, H. 2022. Wetland system for geothermal wastewater management: A case study in pertamina geothermal energy area Lahendong, North Sulawesi. International research journal of engineering, IT & scientific research. 8, 5 (Sep. 2022), 197–209. DOI:https://doi.org/10.21744/irjeis.v8n5.2181.