Khetsirin Knithichan. (2000) The use of nonverbal messages associated with sexual suggestiveness in TV commercials. National Institute of Development Administration:ม.ป.ท.Khetsirin Knithichan. 2000. The use of nonverbal messages associated with sexual suggestiveness in TV commercials. ม.ป.ท.:National Institute of Development Administration;Khetsirin Knithichan. The use of nonverbal messages associated with sexual suggestiveness in TV commercials. ม.ป.ท.:National Institute of Development Administration, 2000. Print.