Yazar
Johannes Baptist Opschoor
17 cilt bulundu.
Donald Letsholo Kgathi, Johannes Baptist Opschoor · Yayınevi bilinmiyor
88 sayfa · 1981
Arid regions agriculture
David Edward James, H. M. A. Jansen, Johannes Baptist Opschoor · Elsevier Science & Technology
256 sayfa · 1978
Business & Economics
Francine I. Henderson, Johannes Baptist Opschoor · Yayınevi bilinmiyor
98 sayfa · 1981
Agricultural resources
Johannes Baptist Opschoor, A. F. de Savornin Lohman, Hans B. Vos, Organisation for Economic Co-operation and Development · Organisation for Economic Co-operation and Development ; Washington, D.C. : OECD Publications and Information Centre
208 sayfa · 1994
Business & Economics
Johannes Baptist Opschoor, Organisation for Economic Co-operation and Development, Hans B. Vos · Organisation for Economic Co-operation and Development ; [Washington, D.C. : OECD Publications and Information Centre
144 sayfa · 1989
Business & Economics
Patricia P. A. A. H. Kandelaars, Jeroen C. J. M. van den Bergh, Hans Opschoor, Johannes Baptist Opschoor, Tinbergen Institute · Yayınevi bilinmiyor
29 sayfa · 1995
Kategori yok
R. Weterings, Johannes Baptist Opschoor, Raad voor het Milieu- en Natuuronderzoek (Netherlands) · Yayınevi bilinmiyor
138 sayfa · 1994
Environmental indicators
Robertus Antonius Petrus Maria Weterings, Johannes Baptist Opschoor · Yayınevi bilinmiyor
138 sayfa · 1994
Kategori yok