OCTAVIAN, Wahyu Ferdiana; 						HIDAYAT, Rahmat; 						NURPULAELA, Lela.
 Perancangan Umbrella Energy Sebagai Charger Handphone Pada Cafe.
<strong>Jurnal Energi Dan Manufaktur</strong>, [S.l.], v. 13, n. 2, p. 82-85, nov. 2020.
ISSN 2541-5328.
Available at: &lt;<a href="https://ojs.unud.ac.id/index.php/jem/article/view/64500" target="_new">https://ojs.unud.ac.id/index.php/jem/article/view/64500</a>&gt;. Date accessed: 07 feb. 2025.
doi: <a href="https://doi.org/10.24843/JEM.2020.v13.i02.p07">https://doi.org/10.24843/JEM.2020.v13.i02.p07</a>.