T. Hokking and W. Keeratichamrorn, “A STUDY OF THE LEARNING ACHIEVEMENT IN LEARNING UNIT OF FUN INFORMATION AND SURROUNDING-CONTEXTUAL PUZZLES AND MATHEMATICAL LITERACY IN 6TH-GRAND ELEMENTARY SCHOOL STUDENTS USING CONTEXT-BASED LEARNING WITH KWDL TECHNIQUE”, Res Comm Soc Dev J, vol. 17, no. 3, pp. 167–178, Sep. 2023.