PHOMMANITH , K.; KEOPHASITH, V.; BOUSITH, O.; DOUNGCHAN , B.; SAYDUANGTA, S. The Effect Of Problem-Based Learning Instruction Activities on Problem Solving skills and Mathematical Connection skills of third year Students. Souphanouvong University Journal Multidisciplinary Research and Development , [S. l.], v. 6, n. 2, p. 104–112, 2020. Disponível em: http://www.su-journal.com/index.php/su/article/view/271. Acesso em: 17 jan. 2026.