Flores Muñoz, F. ., Báez García, A. J. ., & Gutiérrez Barroso, J. . (2019). Fractional differencing in stock market price and online presence of global tourist corporations. Journal of Economics, Finance and Administrative Science, 24(48), 194–204. Retrieved from https://revistas.esan.edu.pe/index.php/jefas/article/view/69