Yothapakdee, Kriengsak, and Kritsana Sributtha. 2021. “PUBLIC RELATION MEDIA IN AUGMENTED REALITY OF UNSEEN MUANG-LOEI ATTRACTIONS WITH BIRD EYE VIEW VIA DRONE TECHNOLOGY”. Srinakharinwirot University Journal of Sciences and Technology 13 (26, July-December):1-13. https://ph02.tci-thaijo.org/index.php/swujournal/article/view/246224.