[1]
F. K. Olakulehin και O. D. Ojo, ‘Factors Influencing the Completion of Dissertations by Students of Post-Graduate Diploma in Education (PGDE) by Distance Learning in South-western Nigeria’, Ανοικτή Εκπαίδευση, τ. 4, τχ. 1, σσ. 37–41, Ιουνίου 2008.