Muniz, W., M. dos Santos, C. de Brito, B. C. Firmino, J. L. de Freitas, and D. de Alencar. “MECHANICAL COMPARISON BETWEEN TWO BRANDS OF CP I-S-40 CEMENT USED IN THE CITY OF MANAUS-AM”. ITEGAM-JETIA, Vol. 5, no. 18, June 2019, pp. 34-38, https://itegam-jetia.org/journal/index.php/jetia/article/view/407.