H. H. M. Darweesh, A. H. Abdel-kader, and M. G. El-Meligy, “Utilization of Pulp black liquor waste as a cement admixture”, IJBAS, vol. 2, no. 3, pp. 230–238, Jun. 2013, doi: 10.14419/ijbas.v2i3.922.