Azizzadeh, Fatemeh, Dehghani Ghanatghestani, Mohsen, Nami, Kolsoum, Sabahizadeh, Mahmoud. “The ideal model of the environmental education curriculum based on sustainable development indicators in the first middle school, with a functional approach.” Journal of New Approaches in Educational Administration, vol. 13, no. 6, 2023, pp. 127-142. 10.30495/jedu.2023.30699.6158