Decharat, S., Maneelo, S. and Chuchay, S. (2017) “Assessment of lead levels in some children’s plastic toys”, Asia-Pacific Journal of Science and Technology, 18(6), pp. 1026–1033. available at: https://so01.tci-thaijo.org/index.php/APST/article/view/83033 (accessed: 6 January 2026).