V. K. Hernández Vergel, R. Prada Núñez, and C. A. Hernández Suárez, “The Impact of Social Isolation on the Recreational Activities of Older Adults in a Geriatric Centre in San José de Cúcuta, Colombia, During the Pandemic of COVID-19”, Mundo Fesc, vol. 13, no. 25, Jan. 2023.