Studying the effects of negative skin friction on driven pile groups in Basrah governorate. Iraqi Journal of Civil Engineering, [S. l.], v. 15, n. 1, p. 24–27, 2021. DOI: 10.37650/ijce.2021.172853. Disponível em: https://ijce.journalpath.com/ijce/article/view/222. Acesso em: 28 jun. 2025.