Franco Huaman, Joel Adolfo, Julio Cesar Flores Olivo, NEICER CAMPOS VASQUEZ, and Ruben Kevin Manturano Chipana. 2024. “Comparison of Polyethylene Terephthalate and Fly Ash As an Additive in Concrete”. LACCEI 2 (11). https://doi.org/10.18687/LEIRD2024.1.1.820.