Sunita Danu, Lakshman Singh, Vipendra Jinkhwan. “An Apply Oneself the Use of Recycling Concrete Aggregates (RCA) in Black Cement”. Mathematical Statistician and Engineering Applications 71, no. 4 (September 16, 2022): 2670–2678. Accessed April 29, 2024. https://www.philstat.org/index.php/MSEA/article/view/824.