Yalina, Nita, and Achmad Teguh Wibowo. 2015. “Pengembangan Aplikasi Kehadiran Pegawai Terintegrasi Berbasis Sidik Jari Di Universitas Islam Negeri Sunan Ampel Surabaya”. Systemic: Information System and Informatics Journal 1 (1):29-34. https://doi.org/10.29080/systemic.v1i1.281.