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. 11, n. 10, p. 4252–4262, 2022. Disponível em: https://ijfans.org/index.php/Journal/article/view/11167. Acesso em: 8 sep. 2026.