Rujeepatchara Boonjing. (2008) Strengthening capacity of agricultural extensionists' in working with farmers and networking. Kasetsart University,:ม.ป.ท.Rujeepatchara Boonjing. 2008. Strengthening capacity of agricultural extensionists' in working with farmers and networking. ม.ป.ท.:Kasetsart University,;Rujeepatchara Boonjing. Strengthening capacity of agricultural extensionists' in working with farmers and networking. ม.ป.ท.:Kasetsart University, 2008. Print.