R. Alharbey, A. Banjar, Y. Said, M. Atri, and M. Abid, “A Human Face Detector for Big Data Analysis of Pilgrim Flow Rates in Hajj and Umrah”, Eng. Technol. Appl. Sci. Res., vol. 14, no. 1, pp. 12861–12868, Feb. 2024.