Bagastio, Shobrun Jamil, Gia Anisa, Sinung Suakanto, and Tien Fabrianti Kusumasari. 2023. “A Prototyping Model for Self-Appraisal Employee Performance Application Development in Cooperative”. Sinkron : Jurnal Dan Penelitian Teknik Informatika 7 (4):2727-36. https://doi.org/10.33395/sinkron.v8i4.12865.