Kasetkasem, S., Boonruang, P., Lertmongkol, V., Aungsuratana, A.-O., Wattana, J., Pattratham, S., & Pramsopee, S. (1995). The Evaluation of the Farmers Participated in the Short-Course Trainings on the Beef-Cattle Improvement, Carried Out by The Rural Studies Center, Kasetsart University Research and Development Institute. Kasetsart Journal of Social Sciences, 16(2), 156–167. retrieved from https://so04.tci-thaijo.org/index.php/kjss/article/view/243716