WARDANA, Yulica; 						SUHENDRO, Dedi.
 Sistem Informasi Pemesanan dan Pembayaran Kamar pada Apple Hotel Perdagangan Kabupaten Simalungun.
<strong>Jurnal Ilmiah Media Sisfo</strong>, [S.l.], v. 14, n. 1, p. 54-63, apr. 2020.
ISSN 2527-7340.
Available at: &lt;<a href="http://ejournal.stikom-db.ac.id/index.php/mediasisfo/article/view/781" target="_new">http://ejournal.stikom-db.ac.id/index.php/mediasisfo/article/view/781</a>&gt;. Date accessed: 25 may 2022.
doi: <a href="https://doi.org/10.33998/mediasisfo.2020.14.1.781">https://doi.org/10.33998/mediasisfo.2020.14.1.781</a>.