PHONGSAVATH, S., CHOUNLAMANY, V. and PHOUTHAVONG, V. (2021) “Determination of Heavy metals in Candy Sold at School in Vientiane Capital”, Souphanouvong University Journal Multidisciplinary Research and Development , 7(2), pp. 89–95. Available at: http://www.su-journal.com/index.php/su/article/view/123 (Accessed: 17 January 2026).