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হেনরি ফেয়ল (Henri Fayol)
https://upload.wikimedia.org/wikipedia/commons/thumb/4/46/Fonds_henri_fayol.jpg/220px-Fonds_henri_fayol.jpg
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হেনরি ফেয়ল (Henri Fayol)
https://upload.wikimedia.org/wikipedia/commons/thumb/4/46/Fonds_henri_fayol.jpg/220px-Fonds_henri_fayol.jpg