Sriboonwong, L., Pongkiatchai, R., Kamonratananun, N., Wongwiseskul, S., Techamaitrechit, A., Saiboonsri, U. and Rattanaselanon, P. 2025. Development of Operational Training Course for Promoting Breastfeeding: A Case Study of Primary Care Unit. Suan Dusit Graduate School Academic Journal. 21, 3 (Oct. 2025), 113–125.