Chaimongkhon, S., & Nenthien, S. (2024). Effects of Organizing Mathematics Learning Activities Using Lesh’s Translation Model and Contextual Teaching and Learning on Mathematical Concept of Lower Secondary Students. An Online Journal of Education, 19(1), OJED1901005 (12 pages). retrieved from https://so01.tci-thaijo.org/index.php/OJED/article/view/274060