jittpakdee W, Chaimano B, Krutmuang S. Basic Words comparison between Thai Language and Lao language for Grade level I: Study on Types of Word, Concrete Nouns, Abstract Nouns and Difficulty of Words. dhammathas [internet]. 2020 Mar. 31 [cited 2026 Apr. 22];20(1):21-32. available from: https://so06.tci-thaijo.org/index.php/dhammathas/article/view/221009