Phokhum, W. “The Development of Music Education Students’ Writing Skills to Answer the Subjective Tests Through Writing Exercises in Thai Singing Course (MU 2107202)”. LAWARATH SOCIAL E – JOURNAL, vol. 4, no. 1, Apr. 2022, pp. 147-66, https://so04.tci-thaijo.org/index.php/lawarathjo/article/view/257601.