"EFFECT OF LAGOON AND FRESH WATERS ON THE COMPRESSIVE AND SPLIT TENSILE STRENGTH OF GRADE 40 CONCRETE" (2018) FULafia Journal of Science and Technology, 4(2), ص 30–34. موجود في: https://lafiascijournals.org.ng/index.php/fjst/article/view/124 (تاريخ الوصول: 17 مايو 2026).