Eisa, M. Y., B. A. Abdulmajeed, and C. K. Hawee. “Kinetic Study of the Leaching of Iraqi Akashat Phosphate Ore Using Lactic Acid”. Al-Khwarizmi Engineering Journal, vol. 14, no. 1, Apr. 2018, pp. 128-35, doi:10.22153/kej.2018.08.006.