Hadi Y, Effry, Fatahillah Deni H, Tri Ambar W, and Thoyyibah T. 2022. “Sistem Informasi Pendaftaran Calon Murid Bimbingan Belajar Practical Education Center (Pec) Berbasis Web”. Journal of Comprehensive Science (JCS) 1 (5):1224-30. https://doi.org/10.59188/jcs.v1i5.154.