NEAMAT, S.; SHAMSBORHAN, M. . The Investigation of The Different Types of the Ground Rebar Spacers with Proposing New Design Rebar Space Mixed of Concrete Plastic. Journal of Civil Engineering Frontiers, [S. l.], v. 1, n. 1, p. 01-06, 2020. DOI: 10.38094/jocef114. Disponível em: http://jocivilef.org/index.php/jocef/article/view/4. Acesso em: 4 dec. 2021.