TY - JOUR AU - Soltani, Hedayat allah AU - Parsa nasab, Mojtaba AU - Rashidi, mohammad mehdi TI - Surveying the Assessment System of the Performance and Effect of the Motivational-cultural Factors on the Improvement of Personnel Performance (case study: Iran's District 12 Grain Company) JO - The Journal of Productivity Management VL - 7 IS - 3 SP - 147 EP - 174 PY - 2013 DO - ER -