List of Articles Butterfly effect Open Access Article Abstract Page Full-Text 1 - Develop a Comprehensive Model for Organizing Agricultural Extension with a Chaos Theory Approach Marziyeh Bordbar faezeh hashemi Seyed Mahmood Hosseini Mohammad Chizari Open Access Article Abstract Page Full-Text 2 - The Impact of the Ukraine Crisis on Nuclear Negotiations: Perspectives and Perspectives Jahanbakhsh Moradi Mehrbod Moradi Hossein Karimifard majid rouhi