บุญคง พรชเนตต์, เกตุเรน เปรมฤทัย, and ชัยหนองแปน ชลธิชา. “Development of an E-Learning Course for Healthcare Workers Studying the Developmental Surveillance and Promotion Manual (DSPM)”. Thailand Journal of Health Promotion and Environmental Health 45, no. 1 (June 29, 2022): 68–80. Accessed October 7, 2026. https://thaidj.org/index.php/for4d/article/view/12368.