List of Articles focus group Open Access Article Abstract Page Full-Text 1 - Investigation of the Viewpoint of Elementary Students about Personal Epistemology: A Qualitative Study Zahra Tanha Parvin Kadivar Mohammad Hosein Abdollahi Jaefar Hasani Open Access Article Abstract Page Full-Text 2 - Social Impact Assessment of BRT Line Displacement in Mowlavi Street Zahra Khastoo Open Access Article Abstract Page Full-Text 3 - Obstacles to the Optimal Implementation of Educational Needs Assessment in National Gas Company of Iran and Solutions for Improvement omid oshaghi Mitra Ezati keyvan salehi Open Access Article Abstract Page Full-Text 4 - Educational Needs Assessment of Physicians of Healthcare Centers Involved in the Blood Transfusion Process mina mousakhani Abasalt Khorasani massomehalsadat abtahi