H. . . Omran, M. . Aboulgasem, and F. . Elhony, “Competitive intelligence as an entry point to improve strategic performance a survey of the Libyana mobile phone company, Sebha office”., JOPAS, vol. 20, no. 1, pp. 136–143, Apr. 2021, doi: 10.51984/jopas.v20i1.1204.