Yesica Novrita Devi, Wibowo Arninputranto, Fitri Hardiyanti, M. Khoirul Hasin, and Arie Indartono. “Integrated Validation System (IVS) Design for Proposal Submission of Student Activities at PPNS”. Procedia of Social Sciences and Humanities 1 (January 30, 2021): 300-332. Accessed November 21, 2024. https://pssh.umsida.ac.id/index.php/pssh/article/view/61.