Ulloa Brenes, G. (2021). Reflections on the historical evolution of the concept of distance education.
Παραπομπή Chicago StyleUlloa Brenes, Gilbert. Reflections On the Historical Evolution of the Concept of Distance Education. 2021.
Παραπομπή MLAUlloa Brenes, Gilbert. Reflections On the Historical Evolution of the Concept of Distance Education. 2021.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.