Siriphan R. Error analysis of “Chao”, “Dui”, and " Xiang " for Faculty of Liberal Art students, Princess of Naradhiwas University. pnujrhuso [internet]. 2020 Jun. 15 [cited 2026 Sep. 15];7(2):156-73. available from: https://so05.tci-thaijo.org/index.php/pnuhuso/article/view/240281