E. C. Hidalgo-Tapia, N. J. Clavijo-Morocho, A. L. Sánchez-González, and J. D. Uzhca-Galán, “Virtual education and the level of anxiety in times of pandemic in Nursing students, Cuenca-Ecuador 2021”, CEUS, vol. 3, no. 3, pp. 7–12, Dec. 2021.