Central Administration for Agricultural Economics and Statistics, Ministry of Agriculture, Egypt, 2005 and 2009.
Celik, A. (2006). Design and operating characteristics of a push type cutter bar mower.Canadian biosystem engineering 48: 223-227.
El-Awady, M.N.; E.N. Mostafa; A.M. Gindy and E.A. Sahar (1988) "Design of an apparatus for measuring the resistance of plant stems for cutting" Misr J. Agric. Eng., (3) pp. 231-241.
El-Gindy, A. M., M. A Baiomy, M. M. Abdelhamed, And Mosa, Sahar, A.(2009). Design and fabrication of a simplified mechanical handling system of rice straw baling operation to reduce environment pollution. Misr J. Ag. Eng., 26(1): 667- 685
Hanna, G. B and Suliman, A. E. (1986). Appropriare harvesting equipment for small Egyptian farms Misr. J. Agric. Eng., 3 (1) pp. 58-72
Hegazy, R. , G. Molari and A. M. El-Sheikha. (2011). Prototype of harvesting system for some aromatic and medical plants. International Journal of Agricultural Research 6 (5): 420-428.
Oida , A. (1997). Using personal computer for Agricultural machinery management. Kyoto University. Japan. JICA publishing.
Ojomo, A. O., M. O. Ale and O. G. Olajide. (2010). development and performance evaluation of a cowpea harvester. ARPN Journal of Engineering and Applied Sciences. VOL. 5, NO. 10,
Rademaker, M. (2007). Parsley. New Zealand Dermatological Society Incorporated.
Shigley, J. E. and C. R. Mischke (2008) Mechanical engineering design. Me Graw- Hill Publishing Company. New York.