//-->
Aufschluß von Steinkohlenlagerstätten in Entwicklungsländern
Stolte, Gerd, (1987)
Coal receiving terminals in relation to electricity generation in developing countries
Kraaijeveld van Hemert, J., (1984)
Present and future coal trade patterns (with particular emphasis on developing countries)
Alkema, H. J., (1983)
World Development Report 2007 Development and the Next Generation
(2008)
Costa Rica : a pension reform strategy
(2000)
Integrating quantitative and qualitative research in development projects
Bamberger, Michael, (2000)