พจนะลาวัณย์ ภ. Three accents of Toponym: Using Thai, English and Chinese on Public signs: A Case Study of Lampang Municipality. Local Adm. J. [Internet]. 2017 Dec. 26 [cited 2024 May 11];10(4):120 -. Available from: https://so04.tci-thaijo.org/index.php/colakkujournals/article/view/116896