ÇAKIROĞLU, Ünal, Mehmet KOKOÇ, Seyfullah GÖKOĞLU, Mücahit ÖZTÜRK, and Fatih ERDOĞDU. “An Analysis of the Journey of Open and Distance Education : Major Concepts and Cutoff Points in Research Trends”. The International Review of Research in Open and Distributed Learning 20, no. 1 (February 28, 2019). Accessed November 26, 2024. https://www.irrodl.org/index.php/irrodl/article/view/3743.