KHALID A. A., D.; د.; H. KOJA, G.; غانم; S. I. AL SAFFAR, N.; نادیة. The Effect Of Particle Size Distribution (Psd) Concept Of Coarse Aggregates On The Water Demand Of The Concrete Mix”. Al-Rafidain Engineering Journal (AREJ), [S. l.], v. 15, n. 2, p. 30–41, 2007. DOI: 10.33899/rengj.2007.44953. Disponível em: https://rjps.uomosul.edu.iq/index.php/arej/article/view/9436. Acesso em: 3 aug. 2025.