Citáce podľa APA (7th ed.)
Ifegwu, K. U. Assessing agricultural production systems from a sustainability perspective: Some findings from agro-ecological zones of Africa.
Citácia podle Chicago (17th ed.)
Ifegwu, Kalu Ukpai. Assessing Agricultural Production Systems from a Sustainability Perspective: Some Findings from Agro-ecological Zones of Africa.
Citácia podľa MLA (8th ed.)
Ifegwu, Kalu Ukpai. Assessing Agricultural Production Systems from a Sustainability Perspective: Some Findings from Agro-ecological Zones of Africa.
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