List of Articles Keywords: Lead Open Access Article Abstract Page Full-Text 1 - A study of transformational leadership style and its relationship with organizational effectiveness in the Radio and Television Organization ali mikaeili ali akbar Farhangi Hamid Reza Hoseini Dana Open Access Article Abstract Page Full-Text 2 - Health risk assessment of lead and cadmium in Snapper (Lutjanus erythropterus Bloch, 1790) in Imam Hassan seaport. Saeid Ahmadi Mohammad Ebrahimzadeh Abdolrahim Pazira Seyed Abdolmajid Mousavi Open Access Article Abstract Page Full-Text 3 - The Cultural-Social duties of students from the Leaders of Islamic Republic of Iran viewpoint saeedeh khorasani hosseinali jahed dariush matlabi Open Access Article Abstract Page Full-Text 4 - Evaluating the Relationship between Managers’ leadership Styles and Customer Satisfaction in Sport Clubs: The predictive role of personality attributes in the leadership styles of general managers hashm purrezaian zinat nikaeen ali zaeri Open Access Article Abstract Page Full-Text 5 - The Relationship between spiritual leadership styles of administrators with organizational commitment of teachers Davod Tahmasbzadeh Bakhtiyar Darvishi