Urban Fragmentation and Spatial Inequalities in Public Transport Accessibility: Evidence from El Bayadh, an Intermediate Arid City in Algeria - Fatima Zohra Mokeddem; Naima Hadj Mohamed; Zahia Meghnous Dris; Zouaoui R. Harrat; Walid Mansour; Mohammed Chatbi; Aida Achour; Nahla Hilal (Urban Science, 2026)