MIHARDI, J.; KHAIDIR, A. A Government Policy in Determining the Regional Boundaries Between Lima Puluh Kota Regency and Payakumbuh City, West Sumatra. International Journal of Educational Review, [S. l.], v. 3, n. 1, p. 94–102, 2020. DOI: 10.33369/ijer.v3i1.12271. Disponível em: https://ejournal.unib.ac.id/IJER/article/view/12271. Acesso em: 4 may. 2024.