Rungrueng, Prachaya, and Siripon Saenboonsong. “Development of Geographical Skills by Using Inquiry Teaching and Area-Based Learning Methods for Primary School Students Under Phranakhon Si Ayutthaya Primary Educational Service Area Office 1”. Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University 17, no. 3 (December 26, 2022): 133–143. Accessed May 5, 2024. https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/258813.