Yazar
manuel e contreras c
8 cilt bulundu.
Manuel E. Contreras C. · Biblioteca Minera Boliviana
164 sayfa · 1989
Asociación Nacional de Mineros Medianos (Bolivia) / Economic aspects / Economic aspects of Mines and mineral resources / Economic conditions / History
Manuel E. Contreras C. · Biblioteca Minera Boliviana
137 sayfa · 1994
Asociación Nacional de Mineros Medianos (Bolivia) / History / Mineral industries
Manuel E. Contreras C. · PNUD
122 sayfa · 1999
Politics and government / Economic conditions / Social conditions / Regionalism / Ethnic relations
Manuel E. Contreras C. · Education Reform and Management Team, Human Development Network - Education, World Bank
90 sayfa · 2003
Educational change / Education and state
Manuel E. Contreras C. · Institute of Latin American Studies, University of London
45 sayfa · 1993
Tin industry / History / Tin mines and mining / Mines and mineral resources, south america
Manuel E. Contreras C., Gustavo Rodríguez Ostria, Héctor Silva Michelena, Horst Grebe · Fundación Milenio
165 sayfa · 1996
Educational change / Higher Education / Administration / Education and state / Universities and colleges