NGAONASEAW, P. A Study of Knowledge and Understanding of Travel Expense Regulations and Problems in Preparation of Travel Expense Documents for Staff at Maejo University, Chiang Mai Province. RPU Journal of Business Administration, [S. l.], v. 4, n. 2, p. 380–396, 2025. Disponível em: https://so03.tci-thaijo.org/index.php/RPUBAJOURNAL/article/view/296548. Acesso em: 17 sep. 2026.