"TIME-SAVING DESIGN AIDS FOR ONE-WAY HOLLOW SANDCRETE BLOCK SLAB" (2018) FULafia Journal of Science and Technology, 4(2), ص 73–80. موجود في: https://lafiascijournals.org.ng/index.php/fjst/article/view/127 (تاريخ الوصول: 17 مايو 2026).