Mavong P. The Development of Ability to Write Words That Do Not Conform to the Standards Using asset of Spelling Development Training for Foreign Students Thai Language and Culture Program, Faculty of Humanities and Social Sciences, Chiang Rai Rajabhat Universi. ambj [internet]. 2026 Jul. 16 [cited 2026 Sep. 25];11(2):1-16. available from: https://so06.tci-thaijo.org/index.php/ambj/article/view/290143