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Punyaroj J. THE DEVELOPMENT OF LEARNING MODEL TO ENHANCE PRATHOMSUKSA FIVE STUDENT’S PROBLEM SOLVING ABILITY FOCUSING ON KWAN PHAYAO RESERVATION IN THE SOCIAL STUDIES, RELIGION AND CULTURE LEARNING AREAS. MCU SSR [Internet]. 2020 Sep. 26 [cited 2024 May 3];9(3):159-72. Available from: https://so03.tci-thaijo.org/index.php/jssr/article/view/244983