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Anweisung zur vollständigen Wechsel- und Waaren-Berechnung der vornehmsten Städte von Europa
Wördemann, Johann Gerhard, (1784)
Einführung in die Wirtschaftsmathematik
Vogt, Herbert, (1972)
Mathematics for business applications
Shane, Harold D., (1976)
Towards food self-sufficiency in West Africa
Ewusi, Kodwo, (1989)
Report on the ISSER Conference on Food Self Sufficiency in West Africa
Ewusi, Kodwo, (1984)
The development and resettlement of Oncho-Freed Zones in the Volta River Basin of West Africa
Ewusi, Kodwo, (1985)