“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 ” (2022) Procedia of Engineering and Life Science, 2(2). doi:10.21070/pels.v2i2.1196.