Chatrchanok Karnasuta และ Tippawan Lorsuwannarat. (2020) Effectiveness of emergency medical services networks. National Institute of Development Administration:ม.ป.ท.Chatrchanok Karnasuta และ Tippawan Lorsuwannarat. 2020. Effectiveness of emergency medical services networks. ม.ป.ท.:National Institute of Development Administration;Chatrchanok Karnasuta และ Tippawan Lorsuwannarat. Effectiveness of emergency medical services networks. ม.ป.ท.:National Institute of Development Administration, 2020. Print.