List of Articles Research Open Access Article Abstract Page Full-Text 1 - Use of Statistical Mix to Understand Legitimate Statistical Competency of Agricultural Extension, Education and Rural Development Students S. Dehyouri I. Malek Mohammadi S. M. Hosseini S. M. Mirdamadi Open Access Article Abstract Page Full-Text 2 - Effects of R&D spending and Spill-Over on Agricultural TFP in Iran Solmaz Shamsadini Saeed Yazdani Reza Moghaddasi Open Access Article Abstract Page Full-Text 3 - Determining Research, Education, and Extension Requirements for Application of the Precision Agricultural System in Iran M. Omidi- Najafabadi S. Bahramnejad