Yurievna Nikolskaya, E., O. Vladimirovna Pasko, N. Iosifovna Kovaleva, S. Georgievna Fedorchukova, y G. Ivanovna Novolodskaya. «Development Of The Staffing System In Hotels In The Digital Economy: Economic And Legal Aspects». Opción, Vol. 35, agosto de 2019, pp. 1059-73, https://produccioncientificaluz.org/index.php/opcion/article/view/30448.