DOUANGMANY, S.; SYSAVATHDY, S.; SAKBAUVONG, N. The Factors Affecting Mathematics Achievement of Grade Twelve Students in Champasak Province. Souphanouvong University Journal Multidisciplinary Research and Development , [S. l.], v. 6, n. 2, p. 10–16, 2020. Disponível em: http://www.su-journal.com/index.php/su/article/view/260. Acesso em: 17 jan. 2026.