List of Articles Validation Open Access Article Abstract Page Full-Text 1 - Validation of the model for development of school principals Zahra Sarchahani Fakhrossadat Nasiri Valik Boney Open Access Article Abstract Page Full-Text 2 - Methods of Teaching Art in Elementary Schools and its Accreditation Zeinab Mirshekari Zohreh Saadatmand Narges keshtiaray Open Access Article Abstract Page Full-Text 3 - Validation of the Conceptual Model of Elementary Mathematics Virtual Teaching Curriculum Mina Alireza Khazabi علیرضا عراقیه زهرا رحیمی عباس خورشیدی Open Access Article Abstract Page Full-Text 4 - Design and Validation of a Curriculum Model based on Entrepreneurial Thinking in High School (Case Study: Secondary Schools in the West of Guilan Province) arzhang khooshnoud chalesara Masoud Emaminezhad Mozhgan Mohamadi Nainie