Issue Title
Vol 17, No 1 (2021) Open Educational Resource (OER): Achievements, Costs, and Challenges? Abstract  PDF
Hari Din Nugraha, Deny Poniman Kosasih, Kasda Kasda, Syaeful Malik, R.A. Vesitara Kencanasari, Ahmad Satibi, Rian Oktariana Firmansyah, Noor Rian Fitriyanto
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