An Experimental Investigation on Partial Replacement of Cement with Metakaolin & Polypropylene Fiber and Fine Aggregate with Robo Sand. International Journal of Food and Nutritional Sciences, [S. l.], v. 10, n. 9, p. 529–543, 2021. Disponível em: https://www.ijfans.org/index.php/Journal/article/view/4128. Acesso em: 11 aug. 2026.