Ulloa N, Vaca Vallejo KM, Bucheli Campaña AM, Mendoza Castillo M, Vaca Vallejo BG. Optimizing Waste Foundry Sand in Concrete Considering Strength Properties for Sustainable Green Structures. Civ Eng J [Internet]. 2025 Jun. 1 [cited 2025 Sep. 19];11(6):2585-630. Available from: https://civilejournal.org/index.php/cej/article/view/6027