Yenjabok, Porntip, Kanjana Kaewthep, Aphiphan Pookpakdi, and Kamolrat Intaratat. “Agricultural Development Communication for New Theory Concept of His Majesty King Bhumibol Adulyadej : Communication Process for the Diffusion of New Theory Concept which Result into an Adoption by Farmers”. Kasetsart Journal of Social Sciences 26, no. 1 (June 30, 2005): 118–125. accessed September 11, 2026. https://so04.tci-thaijo.org/index.php/kjss/article/view/246251.