Sunfa, S., and P. . Pakapol. “The Effect of a Skill Training Package with Think-Pair-Share Technique on the Writing Word Spelling Skills of Grade 1 Students”. Journal of Modern Learning Development, vol. 9, no. 12, Dec. 2024, pp. 332-56, https://so06.tci-thaijo.org/index.php/jomld/article/view/275504.