Kelly, V. A., & Byerlee, D. 1. (2007). Fertilizer use in African agriculture: Lessons learned and good practice guidelines. Washington, DC: The World Bank.
Citación estilo ChicagoKelly, Valerie Auserehl, y Derek 1946- Byerlee. Fertilizer Use in African Agriculture: Lessons Learned and Good Practice Guidelines. Washington, DC: The World Bank, 2007.
Cita MLAKelly, Valerie Auserehl, y Derek 1946- Byerlee. Fertilizer Use in African Agriculture: Lessons Learned and Good Practice Guidelines. Washington, DC: The World Bank, 2007.
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