GOLEWSKI, Grzegorz Ludwik. Effect of fly ash addition on the fracture toughness of plain concrete at third model of fracture. Journal of Civil Engineering and Management, [S. l.], v. 23, n. 5, p. 613–620, 2017. DOI: 10.3846/13923730.2016.1217923. Disponível em: https://mla.vilniustech.lt/index.php/JCEM/article/view/1094. Acesso em: 12 aug. 2025.