List of Articles Repair and Maintenance Open Access Article Abstract Page Full-Text 1 - Using Data Mining and Three Decision Tree Algorithms to Optimize the Repair and Maintenance Process M. Izadikhah D. Garshasbi Open Access Article Abstract Page Full-Text 2 - Evaluation of Support Systems and Maintenance of Machinery for Road Construction and Construction Projects Mohammad Safipoor Mohsen Mohammadizadeh Open Access Article Abstract Page Full-Text 3 - Determination the mathematical model of repair and maintenance cost of New Holland TM155 and Valtra 8400 tractors in Markazi and Fars Provinces M. R. Vafaee H. Mashhadi Meighani A. Borghei