Pitwong, Napatthira, Saner Phiromjitphong, and Nantawan Tongpitak. 2021. “The Development of Mathematics Criterion-Referenced Test on the Integers for Matthayom Suksa 1 Students”. Ubon Ratchathani Journal of Research and Evaluation 6 (2):61-70. https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/251047.