Ungboriboonpisal, Sooksri, Masvalai Likittanaset, and Rojana Kovitwatanapong. “Drug Quality Assurance under the National List of Essential Medicines”. Journal of Health Science of Thailand 17, no. Supplement VI (December 20, 2018): SVI1736–1746. Accessed December 11, 2025. https://www.thaidj.org/index.php/JHS/article/view/5346.