ABD, H. J. Numerical Investigation of Reinforced Concrete Beams with Single and Multi-Longitudinal Hollow Openings . Diyala Journal of Engineering Sciences , [S. l.], v. 17, n. 1, p. 63–74, 2024. DOI: 10.24237/djes.2024.17106. Disponível em: https://djes.info/index.php/djes/article/view/1231. Acesso em: 17 may. 2024.