Christianto, D. A., and J. Sudrajat. “Perencanaan Arsitektur Enterprise Sistem Informasi Menggunakan Togaf Di SMA BPK Penabur Holis”. Jurnal Computech &Amp; Bisnis (e-Journal), vol. 15, no. 1, June 2021, pp. 7-14, https://jurnal.stmik-mi.ac.id/index.php/jcb/article/view/67.