Alhassan , Omer. “The Impact of the Characteristics of the Audit Office in The Level of Professional Specialization of the External Auditor On The Continuity of the Firm A Field Study on Sudanese Audit Offices”. The Arab Journal of Administration, vol. 38, no. 3, Sept. 2018, pp. 215-32, doi:10.21608/aja.2018.17419.