DEPARI, Brian Pratama; NASUTION, Zulkifli; GINTING, Nurzainah. Evaluation of Handling Waste System in Doulu Tourist Area, Karo Regency, Indonesia. Journal of Environmental and Development Studies, [S. l.], v. 4, n. 01, p. 018–026, 2023. DOI: 10.32734/jeds.v4i01.10416. Disponível em: https://talenta.usu.ac.id/jeds/article/view/10416. Acesso em: 21 may. 2026.