milando, veron, and S. Ani Arnomo. “RANCANG BANGUN SISTEM PENGENDALIAN STOK BERBASIS FRAMEWORK CODEIGNITER 4 MENGGUNAKAN NOTIFIKASI WHATSAPP ENGINE”. Computer and Science Industrial Engineering (COMASIE), vol. 8, no. 3, Dec. 2024, pp. 74-80, https://ejournal.upbatam.ac.id/index.php/comasiejournal/article/view/6937.