Sasen, Patcharee, Saner Piromjitpong, and Wihan Palapon. “The Development of Creative Thinking for Early Childhood Students by Using MATH-3C Learning Management at Nawaprachason School under the Mukdahan Primary Educational Service Area Office”. Ubon Ratchathani Journal of Research and Evaluation 8, no. 2 (December 31, 2019): 103–113. Accessed May 4, 2024. https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/221391.