Suwardika, Gede, I Ketut Putu Suniantara, and Kadek Masakazu. 2024. “SEM - PLS in the WebQual 4.0 Method for Enhancing the Quality of Online Tutorial Learning Applications at Open Universities”. JST (Jurnal Sains Dan Teknologi) 12 (3):703-13. https://doi.org/10.23887/jstundiksha.v12i3.68789.