Boonkanha, Nawaratana, Prayoon Hansmer, Phongsiri Chidchom, and Dendee Phukhon. “Development of a Data Recording System for COVID-19 Vaccine through the HimproOnline Program, Si Sa Ket Hospital”. Journal of Health Science of Thailand 33, no. Supplement 1 (October 31, 2024): S148-S158. Accessed January 28, 2026. https://www.thaidj.org/index.php/JHS/article/view/15943.