Marod, Jompun, and Chaw Wayoopagtr. “Guideling to Increase Fresh Milk Drinking of Dairy Farming Promotion Organization of Thailand (d.p.O.) Case Study of Seniorhigh School in Phetchabun Province”. Journal of Modern Learning Development 5, no. 5 (September 21, 2020): 67–76. Accessed September 28, 2024. https://so06.tci-thaijo.org/index.php/jomld/article/view/243871.