Benabdeslam, N. , Bouzidi, N. , Atmani, F. , Boucif, R. , Sakhri, A.. "The Effect of the Parameters of the Grinding on the Characteristics of the Deposit Phosphate Ore of Kef Es Sennoun, Djebel Onk-Tebessa, Algeria". World Academy of Science, Engineering and Technology, Open Science Index 139, International Journal of Materials and Metallurgical Engineering, (2018), 12(7), 319 - 326.