YABEFA, B.; UFUOMA, G. O.; JONATHAN, B. J. Application of Agro-Wastes in Geopolymer Concrete Production. (Periwinkle Shell Ash (PSA) as Case Study). Rivers State Univeristy Journal of Biology & Applied Sciences, [S. l.], v. 2, n. 1, 2023. Disponível em: http://jbasjournals.com/index.php/rsujbas/article/view/27. Acesso em: 16 sep. 2024.