List of Articles تغییرپذیری Open Access Article Abstract Page Full-Text 1 - Assessing Spatial-Temporal Changes of Rainfall Variability Indices in Ardabil Province Rain gauge stations hamed amini Raoof Mostafazadeh Mohammad Ahmadi 10.30495/jest.2020.32551.4044 Open Access Article Abstract Page Full-Text 2 - Identifying Six Sigma Critical Success Factors to Reduce Variability of Processes (Case study: Dairy Industry) Behzad Ghasemi Roghayeh Gharehpoor Niloofar Kavoli Haghighi Open Access Article Abstract Page Full-Text 3 - The role of school flexibility in adolescents' social skills (Secondary school for girls in Shiraz) Kimia Sadat Tabibzadeh Maliheh Taghipour Ali Akbar Heydari Open Access Article Abstract Page Full-Text 4 - تحلیل تغییرپذیری عملکرد محصول برنج با رویکرد تغییرات اقلیمی(مورد مطالعه: استان گیلان) زهرا کاظم نژاد منوچهر فرج زاده اصل رضا برنا Open Access Article Abstract Page Full-Text 5 - Processes and Consequences of Desertification taghi tavousi Open Access Article Abstract Page Full-Text 6 - Relationship between Agricultural Price Variability and Inflation in Iran R. Moghaddasi A. A. Baghestany