Waluyo, T. and Sutarman (2022) “Comparative Analysis of the Performance of Single Sign-On Authentication Systems with OpenID and OAuth Protocols: Application of Single Sign-On (SSO) in Information Systems at the University of Technology Yogyakarta”, International Journal of Computer and Information Technology(2279-0764), 11(3). doi: 10.24203/ijcit.v11i3.277.