ORPHOMMA, S.; SOUKHAVONG , S.; KOUNLAXAY, K. Measuring and Evaluation of Particulate Matter in Luang Prabang City. Souphanouvong University Journal Multidisciplinary Research and Development , [S. l.], v. 4, n. 1, p. 34–45, 2018. Disponível em: http://www.su-journal.com/index.php/su/article/view/45. Acesso em: 17 jan. 2026.