Yvonne Iradukunda, Innocent Ciza, Salama Ndayisaba, Devotha Nyambo, and Kisangiri Francis Michael. “Development of QR-Code Based Interactive Dynamic Billboard System With Motion Detection”. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE 7, no. 9 (September 9, 2021): 18–27. Accessed July 3, 2024. https://ijasre.net/index.php/ijasre/article/view/1329.