PRADANA PUTRA, Rizki; RAKA AGUNG, I Gusti Agung Pt; RAHARDJO, Pratolo. RANCANG BANGUN VENDING MACHINE MENGGUNAKAN QR CODE BERBASIS MIKROKONTROLER. Jurnal SPEKTRUM, [S.l.], v. 6, n. 2, p. 102-111, june 2019. ISSN 2684-9186. Available at: <https://ojs.unud.ac.id/index.php/spektrum/article/view/49788>. Date accessed: 19 may 2024. doi: https://doi.org/10.24843/SPEKTRUM.2019.v06.i02.p15.