Padilla Santamaría M. Effects of the Instructional Design of the Distance University of Colombia on the Arawak Ethnic Group Students [Internet]. Colombia,CO: Sello Editorial UNAD; 2019 [cited 2026 Nov. 2]. (Social Sciences, Arts and Humanities). Available from: https://libros.unad.edu.co/index.php/selloeditorial/catalog/book/70