Investigation of the Strength Properties of Concrete Using Marble Powder and Iron OreSara Abdullah Said Al Shabibi, Shima Mohammed Abdul Sattar Al Balus, Sachin Kuckian, Pranita Banerjee and Yasser Al BalushiE3S Web of Conf., 405 (2023) 03008DOI: https://doi.org/10.1051/e3sconf/202340503008