Syafrony A. A COMPARATIVE STUDY OF THE USE OF OPEN EDUCATIONAL RESOURCES (OER) AT E-LEARNING UNIVERSITY AND FACE-TO-FACE UNIVERSITY IN YOGYAKARTA (A CASE STUDY AT UT AND UNY). j. pendidik. Terbuka Dan Jarak Jauh [Internet]. 2020 Jan. 31 [cited 2024 Apr. 19];20(2):68-79. Available from: https://jurnal.ut.ac.id/index.php/jptjj/article/view/454