Pranyoto, F. E. ., 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”. Procedia of Engineering and Life Science, vol. 2, no. 2, June 2022, doi:10.21070/pels.v2i2.1196.