F. E. . Pranyoto and R. . Dijaya, “Online Internal Quality Assurance System Case Study of the Quality Assurance Agency of Muhammadiyah University of Sidoarjo: Sistem Penjamin Mutu Internal Online Studi Kasus Badan Penjamin Mutu Universitas Muhammadiyah Sidoarjo ”, PELS, vol. 2, no. 2, Jun. 2022.