VONGSIPASEUTH, B.; PHOMMANITH, K.; SENGALOUN , K.; SILIVANH , S. Mathematics Achievement on Probability using The Problem Solving Process of Polya for Students Grade 6: https://doi.org/10.69692/SUJMRD080255. Souphanouvong University Journal Multidisciplinary Research and Development , [S. l.], v. 8, n. 2, p. 55–63, 2022. Disponível em: http://www.su-journal.com/index.php/su/article/view/201. Acesso em: 17 jan. 2026.