TIME-SAVING DESIGN AIDS FOR ONE-WAY HOLLOW SANDCRETE BLOCK SLAB. FULafia Journal of Science and Technology , [S. l.], v. 4, n. 2, p. 73–80, 2018. Disponível em: https://lafiascijournals.org.ng/index.php/fjst/article/view/127.. Acesso em: 17 may. 2025.