Thanopajai, S. (2024) “Results of using The early Childhood Education Curriculum of Schools Under The Ubon Ratchathani Primary Educational Service Area Office 3: Early Childhood Educational institution Curriculum, Results of using The Curriculum”, Ubon Ratchathani Journal of Research and Evaluation, 13(2), pp. 85–92. available at: https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/269889 (accessed: 10 December 2025).