1.
Egea Arciniegas TG, Escobar Jurado SI, Hernández Villamil JH, Leal Bolaños NL. Higher education in virtual learning environments: digital competence of teachers in the 21st century [Internet]. Colombia,CO: Sello Editorial UNAD; 2025 [cited 2026 Nov. 2]. (Education). Available from: https://libros.unad.edu.co/index.php/selloeditorial/catalog/book/282