ABDUL JABBAR; MOHSIN ALI; QASIM RAZA; ABDUL REHMAN; SARTAJ UL NABI. CHALLENGES, OPPORTUNITIES, AND CIRCULAR ECONOMY PATHWAYS FOR CONCRETE AND CONSTRUCTION WASTE MANAGEMENT: EVIDENCE FROM URBAN BUILDING PROJECTS IN KARACHI, PAKISTAN. Spectrum of Engineering Sciences, [S. l.], v. 4, n. 4, p. 290–310, 2026. Disponível em: https://www.thesesjournal.com/index.php/1/article/view/2411. Acesso em: 16 apr. 2026.