List of Articles سل-ژل پلیمری Open Access Article Abstract Page Full-Text 1 - Polymeric Sol-gel Method to Preparation LaNi0.6Fe0.4O3 and LaNiO3 Perovskite Nanostructures F. Azizi K. Arzani M. Tamizifar S. Baghshahi A. Khanfekr