Thisamee, ThamrongKul, Pree-iam Pree-iam, and Arun Suikraduang. “ LT Techniques on Physical Characteristics And Society of Europe for Grade 8”. Journal of Research and Development Institute Rajabhat Maha Sarakham University 8, no. 2 (November 8, 2021): 313–326. Accessed April 29, 2024. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/252548.