Wongkittiporn A. SYNTACTIC STRUCTURES AND SEMANTIC DENOTATIONS OF GERUNDS IN BIOGRAPHICAL TEXTS. PNRU JHSS [internet]. 2022 Dec. 29 [cited 2025 Dec. 7];17(2):250-68. available from: https://so05.tci-thaijo.org/index.php/PNRU_JHSS/article/view/260426