E-business / Marjolein Visser/Berend Sikkenga (red.) ; Peter Streefkerk, Nando van Essen, Karien Verhagen, Shirley KleverE-business / Marjolein Visser/Berend Sikkenga (red.) ; Peter Streefkerk, Nando van Essen, Karien Verhagen, Shirley KleverE-business / Marjolein Visser/Berend Sikkenga (red.) ; Peter Streefkerk, Nando van Essen, Karien Verhagen, Shirley Klever