Kasetkasem, S.; Boonruang, P.; Lertmongkol, V.; Aungsuratana, A.-O.; Wattana, J.; Pattratham, S.; Pramsopee, S. 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 J. Soc. Sci. 1995, 16, 156-167.