Evaluation of Teacher Competencies, Teaching Methods, and School Facilities in Support of Maintaining Student Achievement in Grade VIII at Kartika V-1 Junior High School in Balikpapan. Prosperia: Journal of Economic Development, Accounting, and Global Markets, [S. l.], v. 1, n. 3, p. 72–80, 2026. DOI: 10.65310/sbsh7v27. Disponível em: https://sovereignresearch.org/prosperia/article/view/194. Acesso em: 13 aug. 2026.