Díaz Betancourt, Enna Bernarda. 2008. Distribución del contenido de carbono orgánico en agregados de diferentes tamaños, procedentes de varios sistemas de uso y altitudes en suelos de la Cuenca del rió Cauca, Colombia. Tesis (Magister en Ciencias Agrarias con énfasis en Suelos). Universidad Nacional de Colombia, Maestría en Ciencias Agrarias, Palmira, Valle del Cauca, CO. 74 p.
Otto, A., TRL (2018). Development of Guidelines and Specifications for Low Volume Sealed Roads through Back Analysis, Phase 2 Report. London: ReCAP for DFID
Warren, G.P (1998) Maintenance of soil fertility and organic matter. Final Technical Report for project R5163. Reading: Department of Soil Science, University of Reading, UK. 85 pp
Tripodi, A., Wurie, N., CTL Sapienza University of Rome & FRED Engineering (2018). Pilot Study to Collect More Robust Accident Data in Sierra Leone, Final Report. London: ReCAP for DFID
Nene, V. and Schillinger, D. 2021. 29 Jan 2021: Update on COVID-19 vaccines and news on face masks: Vish Nene and Dieter Schillinger. Video. Nairobi, Kenya: ILRI.
Margiotta, S & International Institute of Tropical Agriculture. (2019). Chemical pest control for coffee berry borer (CBB). Sironko, Uganda: IITA_Uganda Communication.
International Institute of Tropical Agriculture. (2019). Processing wet cassava peels into high quality feed ingredients: making balanced rations. Ibadan, Nigeria: IITA Communication Unit