AZIZ, R. Development of Solid Waste Management System Of Harau Valley Tourism Area Of Lima Puluh Kota Regency, West Sumatra. JOURNAL OF ENVIRONMENTAL MANAGEMENT AND TECHNOLOGY, [S. l.], v. 1, n. 2, 2022. DOI: 10.31258/jptl.1.2.%p. Disponível em: https://jptl.ejournal.unri.ac.id/index.php/jptl/article/view/27. Acesso em: 11 oct. 2026.