“PERANCANGAN OTOMATIS TROLLEY SMARTGESTURE BERBASIS ARDUINO”, comasiejournal, vol. 7, no. 3, hlm. 119–125, Okt 2022, Diakses: Okt 06, 2026. Tersedia pada: https://ejournal.upbatam.ac.id/index.php/comasiejournal/article/view/6002