Pervin, F. F., & Cowdhury, D. S. P. (2016). ISO Certification 27001. BRAC University.
Lua i Stíl Chicago (17ú heag.)Pervin, Farjana Ferdous, agus Dr. Suman Paul Cowdhury. ISO Certification 27001. BRAC University, 2016.
Lua MLA (8ú heag.)Pervin, Farjana Ferdous, agus Dr. Suman Paul Cowdhury. ISO Certification 27001. BRAC University, 2016.
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