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	1.	No cover image available No cover image available No cover image available farming systems approach to development and appropriate technology generation by Norman, D. W ill Material type: Text; Format: print ; Literary form: Not fiction Publication details: Rome ; 1995 Availability: No items available. Add to cart (remove)
	2.	No cover image available No cover image available No cover image available Economic analysis of agricultural production and labour utilization among the Hausa in the north of Nigeria by Norman, D. W [Author] Material type: Text; Format: print ; Literary form: Not fiction Publication details: Michigan : Michigan State University , 1973 Availability: Items available for loan: Directorate of Library Services (UDSM) (1)Collection, call number: IRA-Institute of Resources Assessment IRA HD2145.5.N67. Place hold Add to cart (remove)
	3.	No cover image available No cover image available No cover image available Farming systems research a critical appraisal E. H. Gilbert, D. W. Norman and F. E. Winch by Gilbert, E. H [Author] Norman, D. W [Author] Winch, F. E [Author] Material type: Text; Format: print ; Literary form: Not fiction Publication details: Michigan Michigan State University 1980 Availability: Items available for loan: Directorate of Library Services (UDSM) (1)Collection, call number: ERB-Economic Research Bureau ERB PAM S494.G542. Place hold Add to cart (remove)

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