Pranyoto, F. E. .; Dijaya , R. . 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 2022, 2.