List of Articles Informal settlement Open Access Article Abstract Page Full-Text 1 - The Impact of Land Tenure Security on Housing Investment at Informal Settlements (The Case of Eslamabad Neighborhood, Tehran) Bahram Alizadeh Morteza Mirgholami Hashem Dadashpoor Nayyer Farabiasl Andrew Allan 20.1001.1.23456450.2019.8.1.6.1 Open Access Article Abstract Page Full-Text 2 - Linking urban marginality and socio-ecological systems to Highlight Research Areas in informal settlements upgrading: A literature review and future directions Sina Razzaghi-Asl 10.22094/soij.2021.1930135.1418 Open Access Article Abstract Page Full-Text 3 - Investigating the Relationship Between Density and Social sustainability in Informal Settlements, Case Study: Khezr District of Hamadan Maryam Ghahremani