فهرس المقالات biological security of society حرية الوصول المقاله صفحة الملخص نص كامل 1 - Developing a biological model based on the content of the textbooks of the first secondary school and the declaration of the second step of the Islamic revolution of Iran Fatemeh Azizzadeh Mohsen Dehghani ghanatghestani Kolsum Nami Mahmoud Sabahizadeh