numnual, prasoplap, and Songphop Khunmathurot. 2022. “The Development of Thai Literature Learning Achievement on Rammakian ‘Suk Sai Lued’ Using by Cippa Model with Game for Grade 6 Student ”. Journal of Modern Learning Development 7 (6):76-91. https://so06.tci-thaijo.org/index.php/jomld/article/view/255661.