B. Vollan, C. Werthmann, and M. Kirk. Philipps-Universität Marburg, Faculty of Business Administration & Economics, Institute for Co-operation in Developing Countries (ICDC), Marburg, (2008)
B. Vollan, C. Werthmann, and M. Kirk. Philipps-Universität Marburg, Faculty of Business Administration & Economics, Institute for Co-operation in Developing Countries (ICDC), Marburg, (2008)