List of Articles Open Access Article Abstract Page Full-Text 1 - The Comparative Study of Personality Traits among Successful and Unsuccessful Principals in High Schools of Mazandaran Province Habibollah Mashayekhi Ali Khalkhali Narges Farajollahi Open Access Article Abstract Page Full-Text 2 - Providing a Practical Model to Implement Knowledge Management and its Impact on the Islamic Azad University Branches in Mazandaran Province, Iran Mohammad Salehi Sayed Abdollah Khavari Mohammad Mojtaba Keikhayfarzaneh Open Access Article Abstract Page Full-Text 3 - A Comparative Study of Mental Health and Self-Esteem of Freshman and Junior Students Azim Ghasemzadeh Rahim Youneci Hamzeh Khanlou Open Access Article Abstract Page Full-Text 4 - The Effect of Transactional-Analysis-Group Counseling on Reducing Women’s Marital Conflict Sahar Hayatbakhsh Abdollah Shafiabadi Bagher Sanaei Zaker Open Access Article Abstract Page Full-Text 5 - Comparing the Effectiveness of Social Skills Training on Self-Assertiveness and Mental Health among Mentally-Retarded Students Javad Khalatbari Shohreh Ghorbanshiroudi Khadijeh ahbar Taromsari Mohammad Mojtaba Keikhayfarzaneh Open Access Article Abstract Page Full-Text 6 - A Study of the Relationship between Mental Health and Organizational Citizenship Behavior among Schools Teachers in Pakdasht Nader Soleymani Mohammad Hossein Siri Open Access Article Abstract Page Full-Text 7 - The Comparison of the Present and Ideal Status of Experienced and Inexperienced Teachers’ Participation in the Process of Curriculum Development Esmaeil Kazempour Farideh Haghparast Fereshteh Hedayati Open Access Article Abstract Page Full-Text 8 - An Investigation of the Impact of Meta Cognitive Training on the Educational Performance and Creativity of the Fifth-Grade Primary School Students Abbas Gholtash Ahmad Reza Oujinezhad Mohsen Barzegar