Abd El-Mageed, H.N.; M.H. Ramadan and M.M. Ibrahim (1987). A mathematical model for predicting optimum power and machinery sizes in a three year crop rotation in Egypt. Misr, J. Agric. Eng. 4 (2): 134-148.
ASAE (2006). American Society of Agricultural Engineers. ASABE D497.5 Feb. 2006, published by the American Society of Agricultural and Biological Engineers (ASABE), PP: 390-398.
Batte, M.T. (2005). Changing computer use in agriculture: evidence from Ohio. Journal of Computers and Electronics in Agriculture, Vol. 47: 1-13. Elsevier Science B.V.
Boehm, M. and S. Burton (1997). Socio-economics in soil-conserving agricultural systems: implications for soil quality. In: Gregorich, E.G. and M.R. Carter (Eds.). Soil quality for crop production and ecosystem health. Elsevier, Amsterdam, pp. 293-312.
Central Agency for Public. Mobilization and Statistics (2012). Statistical year book, Egypt.
Hunt, D. (2002). Farm power and machinery management. 11th edition, Iowa State University Press, Ames, Iowa.
Ismail, Z.E.; M.M. Ibrahim and S.A. Embaby (2009). Economic evaluation and selection of farm machinery. Misr J. Ag. Eng., 26(4): 746-757
Soerensen, C.G. (2003). Workability and machinery sizing for combine harvesting. Agricultural Engineering International: the CIGR Journal of Scientific Research and Development. Manuscript PM 03 003 Vol. V.
Srivastava, A.K.; C.E. Goering; R.P. Rohrbach and D.R. Buckmaster (2006). Engineering principles of agricultural machines. 2nd edition. St. Joseph, Michigan, USA: American Society of Agricultural and Biological Engineers.
William, L. (2001). Minnesota farm machinery economic cost estimates for 2000. Extension economist. Farm Management. Dept. of Applied Economics, Univ. of Minnesota.
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