Wiese, Melanie; Van Heerden, Cornelius Hendrik, 1957-; Jordaan, Yolanda; North, Ernest J.(College of Economic and Management Sciences, University of South Africa, 2009-04)
Wiese, Melanie; Van Heerden, Cornelius Hendrik, 1957-; Van Heerden, Neels, 1957-; Jordaan, Yolanda(University of Johannesburg, Department of Business Management, 2010)