VOLACHACK, N.; LEUANGTAKOUN, S.; XAYHEUNGSY, S.; SONTHIKOUMMAN, K.; THAVIXAY, P. Measurement of Natural Radioactivity and Radioactive Contour Maps in Soil Samples in Two Provinces in Lao PDR. Souphanouvong University Journal Multidisciplinary Research and Development , [S. l.], v. 9, n. 4, p. 131–138, 2023. Disponível em: http://www.su-journal.com/index.php/su/article/view/527. Acesso em: 17 jan. 2026.