Kranker Geschäftsmann im Schal nimmt Tablette aus Stapel im Büro - Stockfoto & -bild

Young businessman sitting at desk and working in office

Concentrated businessman with closed eyes holding pencil at office

Thinking. Thoughtful bearded man sitting at the table and holding a sheet of paper and a pencil

Male student studying with book in room

Arabian businessman in eyeglasses recording voice message on smartphone and writing on notebook in office

Concentrated architect working on laptop near blueprints on desk

Architect writing in notebook near buildings models at workplace in office

Concentrated security man working near blurred computers in supervision room, banner

Selective focus of concentrated businessman working with laptop at table

Architect counting on fingers near houses models at workplace