Lua APA (7ú heag.)

(2016). AGRICULTURAL Productivity in Africa: Trends, patterns, and determinations. International Food Policy Research Institute.

Lua i Stíl Chicago (17ú heag.)

AGRICULTURAL Productivity in Africa: Trends, Patterns, and Determinations. International Food Policy Research Institute, 2016.

Lua MLA (9ú heag.)

AGRICULTURAL Productivity in Africa: Trends, Patterns, and Determinations. International Food Policy Research Institute, 2016.

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