selamat sore gan, mohon bantuannya untuk mencari jurnal : 1. Appraisal of the Effectiveness and Efficiency of an Information Security Management System Based on ISO 27001 http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=4622587&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp