Natchaya Chalaysap. 1995. Translation approach to English. Bangkok:National Institute of Development Administration;
Natchaya Chalaysap. (1995) Translation approach to English (รายงานผลงานวิจัย). National Institute of Development Administration:Bangkok.
Natchaya Chalaysap. Translation approach to English. Bangkok:National Institute of Development Administration, 1995.
Natchaya Chalaysap. (1995) Translation approach to English (รายงานผลงานวิจัย). National Institute of Development Administration:Bangkok.