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List of Articles Safar Marofi Open Access Article Abstract Page Full-Text 1 - Investigating Temporal Trends and Spatial Characteristics of Rainfall and Meteorological Drought in the West of Iran during the Last Few Decades صفر معروفی حسین طبری علی آئینی حسین معروفی Open Access Article Abstract Page Full-Text 2 - Study of Water Use Efficiency in the potato farms of Hamadan-Bahar Plain محمد رضا قاسمی نژاد صفر معروفی