Al Tamemi, H.S. and Murtadha AL-Kaabi 2022. Study of Nanotechnology in Concrete Compounds and Properties when Adding Polypropylene Fibers to Design a Concrete Mix. Iraqi Journal of Natural Sciences and Nanotechnology. 3, (Jul. 2022), 50-58. DOI:https://doi.org/10.47758/ijnsn.v3i0.58.