[1]
M. P. PANAGIOTOPOULOU και E. N. MANOUSOU, ‘The obstacles faced by distance learning students in achieving their autonomy. The case of the Hellenic Open University’, Ανοικτή Εκπαίδευση, τ. 16, τχ. 1, σελ. 90–108, Ιουλίου 2020.