TO STUDY THE EFFECT OF POLYPROPYLENE FIBER, FLY ASH AND RICE HUSK ON CONCRETE PROPERTIES. International Journal of Food and Nutritional Sciences, [S. l.], v. 10, n. 11, p. 410–420, 2021. Disponível em: https://www.ijfans.org/index.php/Journal/article/view/4393. Acesso em: 13 aug. 2026.