Nugraha, I Made Aditya, et al. “Pemanfaatan QR Code Dalam Menunjang Kegiatan Pembelajaran Di Laboratorium Listrik Dan Coldstorage”. Jurnal Widya Laksmi: Jurnal Pengabdian Kepada Masyarakat, vol. 3, no. 2, July 2023, pp. 49-54, https://jurnalwidyalaksmi.com/index.php/jwl/article/view/56.