Weeranon Jamjang. (2007) Information system for training operations and management of extension and training office, Kasetsart University. Mahidol University,:ม.ป.ท.Weeranon Jamjang. 2007. Information system for training operations and management of extension and training office, Kasetsart University. ม.ป.ท.:Mahidol University,;Weeranon Jamjang. Information system for training operations and management of extension and training office, Kasetsart University. ม.ป.ท.:Mahidol University, 2007. Print.