Browsing by Author "Koka, D. C."
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ZeitschriftJournal of Agriculture and Rural Development in the Tropics and Subtropics, Heft 1, Jg. 104 Wolff, Peter; Cho, Khin Mar; Zoebisch, Michael A.; Stein, Thomas-Manuel; Kader, Mohamad A.; Jutzi, Samuel C.; Mamo, Tekalign; Ayele, Gezahegn; Chabo, Ricks G.; Koka, D. C.; Oageng, T.; Sodiq, Akhmad; Tawfik, Ezzat S.; Baum, Eckhard; Blaue, Claudia (kassel university pressKassel, 2003)