MUFEET, M. .; MUBARAK, K. .; NUSRATHALI, N. . Measuring the efficiency of tourism sector in Sri Lanka: An extension of the method to stochastic frontier analysis. The journal of contemporary issues in business and government, [S. l.], v. 27, n. 1, p. 3121–3131, 2021. Disponível em: https://cibgp.com/au/index.php/1323-6903/article/view/777. Acesso em: 15 jan. 2025.