List of Articles رفتار نوع دوستانه Open Access Article Abstract Page Full-Text 1 - Sociological study of the role of social networks on social indifference Case study :(citizens of districts 1 and2 of Tehran in 1398) ehsan jamshidzadeh Majid kaffashi Khalil mirzaei, Open Access Article Abstract Page Full-Text 2 - A Sociological study of the role of social networks on social indifference (Case of study: Residents of Districts 1 and 2 of Tehran in 1398) ehsan jamshidzadeh Majid kaffashi Khalil mirzaei, 10.30495/uss.2021.682386