Beny Rahman Hakim. Implementasi Sistem Informasi Pengelolaan Surat Jalan dan Invoice Menggunakan Framework CodeIgniter. Modem [Internet]. 2026 Apr. 24 [cited 2026 Apr. 27];4(2):11-26. Available from: https://journal.aptii.or.id/index.php/Modem/article/view/845