Aminurrohman, Muhamad Zuhan, and Arizona Firdonsyah. “Implementation of School Information Systems Using the CodeIgniter Framework : Penerapan Sistem Informasi Sekolah Menggunaka Framework CodeIgnter ”. Procedia of Engineering and Life Science, vol. 1, no. 2, July 2021, doi:10.21070/pels.v1i2.960.