Washington, DC : World Bank, Development Research Group, Sustainable Rural and Urban Development Team, Dec. 2007 ; Halle (Saale) : Universitäts- und Landesbibliothek Sachsen-Anhalt, Dec. 2007
Fleischer, Aliza ; Lichtman, Ivgenia ; Mendelsohn, Robert O.
Washington, DC : World Bank, Development Research Group, Sustainable Rural and Urban Development Team, 2007 ; Halle (Saale) : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2007
Washington, DC : World Bank, Development Research Group, Sustainable Rural and Urban Development Team, Nov. 2008 ; Halle (Saale) : Universitäts- und Landesbibliothek Sachsen-Anhalt, Nov. 2008