Rakklang, T., and W. Chatbutra. “A STUDY OF LEARNING ACHIEVEMENT FROM THE READING FOR PASSAGE MAIN IDEA UNIT AND THE READING COMPREHENSION OF GRADE 6 STUDENTS BY USING PANORAMA”. Journal of Industrial Education, vol. 18, no. 3, Jan. 2020, pp. 144-53, https://ph01.tci-thaijo.org/index.php/JIE/article/view/208926.