List of Articles مدیران متوسطه Open Access Article Abstract Page Full-Text 1 - Analyzing and validating the organizational forgetting model of secondary school principals nasrin aghaei Mojgan amirianzadeh رضا زارعی Ahmadreza Ojinejad Open Access Article Abstract Page Full-Text 2 - Identification of components and indicators model for developing spiritual leadership in school principals (Case study: Tehran schools) reyhaneh davari