จิตต์จำนงค์ เ. Volume 3 Number 1 January - June 1998. Th Dent PH J [internet]. 1998 Jun. 30 [cited 2026 Sep. 20];3(1):1-93. available from: https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/214348