Brida, Juan, Wiston Risso, Edgar Carrera, and Edgar Carrera. “Real Wages As Determinant of Labour Productivity in the Mexican Tourism Sector”. European Journal of Tourism Research 3, no. 1 (March 1, 2010): 67–76. Accessed November 28, 2021. https://ejtr.vumk.eu/index.php/about/article/view/46.