“An Experimental Investigation on Partial Replacement of Cement with Metakaolin & Polypropylene Fiber and Fine Aggregate with Robo Sand” (2021) International Journal of Food and Nutritional Sciences, 10(9), pp. 529–543. Available at: https://www.ijfans.org/index.php/Journal/article/view/4128 (Accessed: 10 August 2026).