“RANCANG BANGUN SISTEM PENGENDALIAN STOK BERBASIS FRAMEWORK CODEIGNITER 4 MENGGUNAKAN NOTIFIKASI WHATSAPP ENGINE ”. Computer Science and Industrial Engineering, vol. 8, no. 3, Desember 2024, hlm. 74-80, https://ejournal.upbatam.ac.id/index.php/comasiejournal/article/view/6937.