Guerra Bendezú, C. ., L. . Robladillo Bravo, and V. . Romaní Franco. “Impact of Productivity on Exports: Case of the Grape in Peru, 2007-2017”. Journal of Global Management Sciences, vol. 2, no. 1, Jan. 2019, pp. 1-5, https://journals.cincader.org/index.php/gmsj/article/view/95.