List of Articles amin shadkam Article 1 - Modeling and Design of a Disk-Type Furrow Opener’s Coulter Its Mechanical Analysis and Study for No-Till Machinery (Combination and Bertini) J. Ghezavati M. Abbasgholipour B. Mohammadi Alasti A. Shirneshan A. Shadkam International Journal of Advanced Design and Manufacturing Technology , Issue 5 , Year , Autumn 2017