Abdul Rahim Ghadban, Rusul, and Mohammed Ali Abdulrehman. “EFFECT OF ADDING RED AND YELLOW PIGMENTS TO GEOPOLYMER CONCRETE”. Journal of Engineering and Sustainable Development 28, no. 02 (March 1, 2024): 222–232. Accessed February 11, 2025. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1584.