Nguyen, Tuan, and Hau Le. “Firm’s Service Orientation, Frontline Employee Behavior and Customer Participation - A Study of Short - Training Services”. VNUHCM Journal of Science and Technology Development 19, no. 2 (June 30, 2016): 120-131. Accessed August 10, 2025. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/732.