”M/M/c/K state-dependent models for controlling the pilgrims and the design of hajj facilities”, JNOTM, vol. 1, nr 1, s. 22–28, okt. 2023, åtkomstdatum: aug. 24, 2026. Tillgänglig vid: https://shmpublisher.com/index.php/jnotm/article/view/216