Prayogo, A., Hartiyani, S. D., Hartiyani, E., & Dewi, P. A. (2022). Satisfaction Level from Digital Learning Implementation Using E-Learning Management System (LMS) UP45 at University of Proklamasi 45. IJID (International Journal on Informatics for Development), 10(2), 132–141. https://doi.org/10.14421/ijid.2021.3396