MOHAMED IBRAHIM, Amer; AMER ISMAEL, Murtada; ABDUL SATAR ABDUL HUSSEIN, Humam. THE EFFECT OF BALLS SHAPES AND SPACING ON STRUCTURAL BEHAVIOUR OF REINFORCED CONCRETE BUBBLED SLABS. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 23, n. 2, p. 56–65, 2019. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/276.. Acesso em: 4 may. 2025.