Boonpairoj, S., & Phumkeaw, P. (2019). The Development of Word Spelling Drills in Thai Language By Using Balance Literacy Model for Prathomsuksa I Students. Ubon Ratchathani Journal of Research and Evaluation, 8(2), 122–132. Retrieved from https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/215261