KEEN, P. G. (1991). Every Managers Guide To Information Technology A Glossary Of Key Terms And Concepts For Todays Business Leader Petter G.w Keen. Harvard Business School.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিKEEN, Petter G.W. Every Managers Guide To Information Technology A Glossary Of Key Terms And Concepts For Todays Business Leader Petter G.w Keen. Harvard Business School, 1991.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিKEEN, Petter G.W. Every Managers Guide To Information Technology A Glossary Of Key Terms And Concepts For Todays Business Leader Petter G.w Keen. Harvard Business School, 1991.
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