Darwesh O, Elbasir O, Bin Miskeen M. Effect Of Binary Blended of Portland Cement and Fly Ash to the Strength and Surface Absorption of Concrete. JOPAS [Internet]. 2022 Jan. 17 [cited 2026 Nov. 5];20(4):108-11. Available from: https://www.sebhau.edu.ly/journal/jopas/article/view/1711