J. M. . Fernandez-Villa, V. . Galnares-Carcoba, J. S. Solis-Mata, C. . Flores-Ruiz, and M. U. . Perez-Zepeda, “Social networks and COVID-19 vaccination hesitancy in Mexican older adults ”, PSRUA, vol. 2, no. 3, pp. 11–19, May 2022, doi: 10.36105/psrua.2022v2n3.02.