R. Andrie Asmara, F. Al Huda, and A. Nur Handayani, “Design and Implementation of Blind Runner Guide Android Mobile Application for the Visual Impairment User Experience”, IJET, vol. 7, no. 4.36, pp. 1295–1300, Dec. 2018, doi: 10.14419/ijet.v7i4.36.28975.