Beh-Ayin, M. & Sheikhdavoodi, M. (2010). Effect of Tractor Speed and Shield Positon on The Performance of Rotary Tiller. (e18913). Agricultural Engineering, 1.32(Published articles (periods 1 to 32) in the field of agricultural engineering before the separation of the scientific journal of agriculture in the years 1975-2009), e18913

Beh-Ayin, M., & Sheikhdavoodi, M. "Effect of Tractor Speed and Shield Positon on The Performance of Rotary Tiller" .e18913 , Agricultural Engineering, 1.32, Published articles (periods 1 to 32) in the field of agricultural engineering before the separation of the scientific journal of agriculture in the years 1975-2009, 2010, e18913.

Beh-Ayin, M., & Sheikhdavoodi, M. (2010). 'Effect of Tractor Speed and Shield Positon on The Performance of Rotary Tiller', Agricultural Engineering, 1.32(Published articles (periods 1 to 32) in the field of agricultural engineering before the separation of the scientific journal of agriculture in the years 1975-2009), e18913.

Beh-Ayin, M. & Sheikhdavoodi, M., "Effect of Tractor Speed and Shield Positon on The Performance of Rotary Tiller." Agricultural Engineering, 1.32 Published articles (periods 1 to 32) in the field of agricultural engineering before the separation of the scientific journal of agriculture in the years 1975-2009 (2010): e18913,

Beh-Ayin M., Sheikhdavoodi M. Effect of Tractor Speed and Shield Positon on The Performance of Rotary Tiller. Agricultural Engineering. 2010;1.32(Published articles (periods 1 to 32) in the field of agricultural engineering before the separation of the scientific journal of agriculture in the years 1975-2009):e18913 (In Persian).