• Amini, H. & Mahmoudi, S. (2015). Nature in Saadi’s Thought, Research in Persian Language & Literature, 8(26 & 27),1-16.
• Anvari, H. (2007). Sokhan comprehensive dictionary persian to persian. Tehran: Sokhan Publishing.
• Farzin, A. & Hashemizadegan, A. (2016). Interpretation of Garden Position in Saadi Poems, Journal of Art and Civilization of the Orient , 4 (13), 3-12.
• Khamsi Hamaneh, F. (2013). Jostari dar moshabehat-e memari va adabiyat [A search for architectural and literary similarities]. Chideman Magazine, 2 (4), 160-167.
• Nasri Ashrafi, J. (2002). Farhang-e vazhegan-e tabari [Tabari Vocabulary] (Vol. I). Tehran: Ehyay-e Ketab Publishing.
• Rastegarfasaei, M. (1995). Anvae-e sher-e farsi [Types of Persian poetry]. Shiraz: Navid Publication.
• Saadi Shirazi, M. (2006). Gholestan-e Saadi (Gh. Yousefi, Revised).Tehtan: Hermes Publishing.
• Safa, Z. (2010). Tarikh-e adabiyat-e Irann vizhey-e noojavanan va javanan [The History of Iranian Literature for Adolescents and Youth] (Volume II). Tehran: Tirgan Publishing.
• Shaygan, D. (2014). Panj eghlim-e hozor (bahsi darbare-ye shaeranegi-ye Iranian [The Five Climates of Presence (Discussion on Iranian Poetry)]. Publication: Farhang-e Moaser.
• Turner, M.G. & H. Gardner, R.H. (2015). Landscape Ecology in theory and practice. Berlin: Springer.
• Zarrinkoob, A.H (1968). Ba karevan-e helleh [Together with Helleh Caravan]. second edition. Tehran: Nashr-e Javidan.