Lamban, S., P. Utayanugul, and S. Inchai. “Development of Poem Writing Skills in the Form of Thai Octameter Poems by Using Activity Packages to Support Creative Thinking for Secondary School Grade 2 Students”. Ganesha Journal, vol. 20, no. 1, June 2024, pp. 39-50, https://so01.tci-thaijo.org/index.php/pikanasan/article/view/271851.