Armida Sari, J., Darmanto, D., Wahyudi, H., & Yulianti, I. (2022). The Role of Universitas Terbuka-Indonesia in Improving Higher Education Services in Indonesia. Jurnal Pendidikan Terbuka Dan Jarak Jauh, 24(1), 19–26. https://doi.org/10.33830/ptjj.v24i1.4261.2023