Harahap, Amanda Zachra, and Rakhmat Kurniawan. “Design and Evaluation of a Web-Based Employee Performance Appraisal System Using Weighted Key Performance Indicators”. Jurnal IPTEK Bagi Masyarakat 6, no. 1 (July 29, 2026): 264–269. Accessed August 5, 2026. https://journal.aira.or.id/j-ibm/article/view/1783.