Thanh Nguyen, Phong, Quyen Le Hoang Thuy To Nguyen, Vy Dang Bich Huynh, E. Laxmi Lydia, and K. Shankar. “From a Business Point of View Study the Importance of Event Management Services of Specific Company”. Opción 350 (August 13, 2019): 771-784. Accessed December 5, 2025. https://produccioncientificaluz.org/index.php/opcion/article/view/30150.