Nakraksa, Raksanalee, and Jintavee Khlaisang. “DEVELOPMENT OF A VIRTUAL FIELD TRIP MODEL WITH GEOGRAPHIC INQUIRY PROCESS Integrated with 3D MAP FOR UPPER SECONDARY SCHOOL STUDENTS”. ECT Education and Communication Technology Journal 15, no. 19 (December 26, 2020): 44–59. accessed August 29, 2026. https://so01.tci-thaijo.org/index.php/ectstou/article/view/242970.