Natchaya Chalaysap. (1995) Translation approach to English. National Institute of Development Administration:ม.ป.ท.Natchaya Chalaysap. 1995. Translation approach to English. ม.ป.ท.:National Institute of Development Administration;Natchaya Chalaysap. Translation approach to English. ม.ป.ท.:National Institute of Development Administration, 1995. Print.