WATSON, Dale; 						TJAHYADI, Hendra.
Smartbell Sebagai Aplikasi IoT Pada Sistem Keamanan Rumah.
<strong>Journal Information System Development (ISD)</strong>, [S.l.], v. 7, n. 2, p. 13 - 27, july 2022.
ISSN 2528-5114.
Available at: &lt;<a href="https://ejournal-medan.uph.edu/index.php/isd/article/view/550" target="_new">https://ejournal-medan.uph.edu/index.php/isd/article/view/550</a>&gt;. Date accessed: 29 mar. 2023.
doi: <a href="http://dx.doi.org/10.19166/isd.v7i2.550">http://dx.doi.org/10.19166/isd.v7i2.550</a>.