Yucel, F., O. Oral, N. Caglayan, M. Tecimen, S. Kocak, and E. Yuce. “Design and Implementation of a Personal Computer Authorization System Using Color Detection”. Elektronika ir Elektrotechnika 115, no. 9 (October 25, 2011): 97-100. Accessed April 20, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/758.