Amadi N. S., Adesope, O. M., & Oguzor, N. S. (2008) Spare Parts Needs For Machinery Maintenance in Farm Workshops in Rivers State, Nigeria
 Ansu-gyeabour, E. (2004) Assessment of the level of Mechanization of Crop Production of Ejura. An unpublished B.sc thesis in Nkrumah University of Science and Technology Kumasi Ghana.
 Brian S. (2012) Development of the Conservation Agriculture Equipment Industry in Sub-Sharan African. Applied Engineering in Agriculture, 28(6); 813-823.
 Challa, G.T. (2016). Prospects & Challenges of agricultural mechanization in Oromia regional State-Ethiopia, Policy Perspectives. American Journal of Agriculture and Forestry, 4(5), 119-127.
 Clark, L. J., Bishop, C. (2002) Farm Power-present & Future Availability in Countries. ASAE Annual Internatioal/Document on Agricultural and Biosystem Engineering in Africa Available at www.aet.atroca.org.accessed on 30 August, 2013
 Emmanuel O. O. and Peter F. A. (2012) Food Security in Nigeria: An Overview. European Journal of Sustainable Development 1( 2), 199-222
 FAO (2007) Addressing the challenges facing agricultural mechanization input supply and farm product processing. B.G. Sims, J. Kienzle, R. Cuevas & G. Wall (eds). Agricultural and Food Engineering Technical Report 5. Rome, Italy. 71 pp.
 FAO (2009) High Level Expert Forum on how to Feed the World 2050, 12-13 October, 2009, Rome.
 FAO. (2011) Investment in agricultural mechanization in Africa: Conclusions and recommendations of a round table meeting of experts. J.E. Ashburner & J. Kienzle (eds). Agricultural and Food Engineering Technical Report 8. Rome, Italy. 76 pp.
 Food and Agricultural Organizaiton FAO (2014) World Food Situation FAO Price Index Available on www.fao.org/foodprices.index.com. http://www.Finard.gov.ng/index.phpl issues-in-agriculture/94-the-role-of-Mechanization Services-in-the-ata.
 FAO (2016) Agricultural mechanization A Key input for Sub-Saharan African Smallholders. Brian S., Martin H. & Josel K. Integrated Crop Management Vol. 23 http://www.fao.org/3/a-i6044e.pdf
 Hilmi, M. (2013). Hire services as a business, Agric. for Dev., 19: 21–25.
 IFPRI. (2016). Agricultural mechanization and agricultural transformation. X. Diao, J. Silver & H. Takeshima. International Food Policy Research Unit, Discussion paper 01527. Washington, D.C. 56 pp. (available at https://www.ifpri.org/publication/ agricultural-mechanization-and-agricultural- transformation).
 IFPRI. (2015). Mechanization outsourcing clusters and division of labour in Chinese agriculture. X. Zhang, J. Yang & T. Reardon. International Food Policy Research Unit, Discussion paper 01415. Washington, D.C. 32 pp.
 Mamman, I. (2015). Influence of agricultural mechanization on crop production in Bauchi and Yobe states, Nigeria (Unpublished master's thesis). Ahmadu Bello University, Zaria, Nigeria
 Metha, R.C., Chandel, S.N. and Senthilkumar, T. (2014). Status, challenges and strategies for farm mechanization in India. Agricultural mechanization in Asia, Africa, and Latin America. 45(4), 43-50.
 Monk, K. (2015). An economic analysis of a mechanized systems approach to cassava production in sub-saharan africa (Unpublished master's thesis). University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
 Nlebem, B.S & Raji, W.I (2019). Agriphobia in Career Choice among senior secondary school students in Port-Harcourt Local government Area of Rivers State. African Social and Educational Journal 8 (1): 57-66
 Olaoye J.O. and Rotimi A. O (2010) Measurement of Agricultural mechanization index and Analysis of Agricultural Productivity of Some Farm Settlements in South West, Nigeria.
 Pawlak, J. Pellizzi, G & Fiala, M (2002), On the Development of Agricultural Mechanization to ensure a Long-Term World Food Supply, the CIGR Journal of Scientific Research and Development Invited Overview Paper 2002 Vol. iv.
 Xiang, Z. (2013) Higher Agricultural Machinery Post Graduate Lecturers Institutes of Agricultural Engineering Jiangsu University China.
 Xinshen D., Silver J. and Takeshima H. (2016) Agricultural Mechanization and Agricultural Transformation. African Centre for Economic Transformation.
 Vidya, B.S & Jha, S.K. (2012) Problems and Prospects of Agricultural Mechanization in Bihar, India. Agricultural Mechanization In Asia, Africa, And Latin America 43 (3)
 Yohanna J. K., Ango U. F. & Williams A. (2011) A Survey of Mechanization Problems of the Small Scale (Peasant) Farmers in the Middle Belt of Nigeria. Journal of Agricultural Science 3 (2), pp 262-266. www.ccsenet.org/jas