Abella MR, Candilas K. Improving Grade 10 Students’ Expository Writing through Concept Mapping and Freewriting: A Quasi-Experimental Study. bru_elt_journal [internet]. 2024 Apr. 25 [cited 2025 Apr. 9];2(1):51-64. available from: https://so14.tci-thaijo.org/index.php/bru_elt_journal/article/view/515