S, Divyabharathi, and Pavithran S. “Experimental Study on Mechanical Properties of Concrete by Adding Bottle Caps and Pet Bottles in Concrete”. International Research Journal of Multidisciplinary Technovation 1, no. 6 (November 2, 2019): 490–495. Accessed July 3, 2024. https://journals.asianresassoc.org/index.php/irjmt/article/view/276.