Yazar
j de graaff
14 cilt bulundu.
J. de V. Graaff · Cambridge UniversityPress
178 sayfa · 1957
Economics / Welfare economics / Wohlfahrtstheorie
J. de Graaff · Taylor & Francis Group
532 sayfa · 2007
Watershed management / Soil conservation projects / Evaluation / Water resources development / Watersheds
J. F. de V. Graaff · Dept. of Adult and Higher Education, University of Manchester
96 sayfa · 1982
Young volunteers in community development / Youth movements
J. de Graaff · Pudoc
294 sayfa · 1986
Coffee / Coffee industry / Coffee trade / Agriculture, developing countries
J. de Graaff · Royal Tropical Institute
191 sayfa · 1993
Economic aspects of Rural land use / Economic aspects of Soil conservation / Economic aspects of Sustainable agriculture / Rural Land use / Soil conservation
J. de Graaff · Backhuys Publishers
310 sayfa · 1996
Soil erosion / Economic aspects / Soil conservation / Watershed management
J. F. de V. Graaff · Research Unit for Sociology of Development, University of Stellenbosch
62 sayfa · 1990
Rural Education / Social aspects of Rural education
L. W. de Graaff, A. Drint, J. W. Roosenbrand · Van den Berg
61 sayfa · 1992
Islam / Relation to the Bible / Qurʼan
B. J. H. de Graaff, Nederlands-Zuidafrikaanse Vereniging, Vereeniging Zuidafrikaansche Stichting "Moederland" · Suid-Afrikaanse Instituut
406 sayfa · 1993
Relations
W. J. M. van der Linden, S. A. P. L. Cloetingh, J. P. H. Kaasschieter, J. Vandenberghe, W. J. E. van de Graaff · Springer London, Limited
373 sayfa · 2013
Kategori yok
International Congress on Geo-cosmic Relations (1st 1989 Amsterdam, Netherlands), G. J. M. Tomassen, W. De Graaff, A. A. Knoop · Pudoc
369 sayfa · 1990
Congresses / Outer space / Astronomy / Earth Sciences / Cosmoschemistry
Jozias Paulus, Simon de Graaff, D. G. Stibbe, C. Spat, Johannes Stroomberg, F. J. W. H. Sandbergen · Martinus Nijhoff
Sayfa sayısı yok · 1917
Encyclopedias / Colonies