Niswah, M. ., and Zulrahmadi. “Sistem Informasi Presensi Karyawan Berbasis Web Dan SMS Gateway Di SMK Dr. Indra Adnan Indragiri College”. Jurnal Indragiri Penelitian Multidisiplin, vol. 3, no. 3, July 2023, pp. 35-42, doi:10.58707/jipm.v3i3.490.