SANTOSA, Paulus Insap. PROTOTIPE KANTIN TANPA UANG BERBASIS KARTU PINTAR. JUTI: Jurnal Ilmiah Teknologi Informasi, [S. l.], v. 8, n. 1, p. 27–32, 2010. DOI: 10.12962/j24068535.v8i1.a72. Disponível em: https://juti.if.its.ac.id/index.php/juti/article/view/72. Acesso em: 5 may. 2026.