Codifying A Proper Mathematical Model for Predicting The Replace Age of The Tractors Used in Shahid Beheshti Cultivation Firm of Dezfoul
1. Codifying A Proper Mathematical Model for Predicting The Replace Age of The Tractors Used in Shahid Beheshti Cultivation Firm of Dezfoul

Rahim Amoozadeh; Mohammad Javad Sheykh Davoudi; Heidar Ali Ghasemnejad

Volume 2, Issue 2 , Winter 2014, , Pages 545-552

Abstract
  Predicting the maintenance and management costs and replacement age of tractors in agricultural mechanized units, is important from several points. So, doing a timely agricultural operations, ...  Read More
Codifying A Proper Mathematical Model for Predicting The Repair of The Tractors Used in Shahid Beheshti Cultivation Firm of Dezfoul.
2. Codifying A Proper Mathematical Model for Predicting The Repair of The Tractors Used in Shahid Beheshti Cultivation Firm of Dezfoul.

Rahim Amoozadeh; Mohammad Javad Sheykh Davoudi; Heidar Ali Ghasemnejad; Vahid Dehghani; Farajolla Eshraghi Mofrad

Volume 2, Issue 2 , Winter 2014, , Pages 526-534

Abstract
  This study tries to codify a proper mathematical model which can be predict the costs of repair and maintaining the tractors as precisely as possible for three common models of tractors ...  Read More