Toward an integrative social identity model of collective action: a quantitative research synthesis of three socio-psychological perspectives

Psychological Bulletin (2008) - Comment
pubmed: 18605818 doi: 10.1037/0033-2909.134.4.504 issn: 0033-2909 issn: 1939-1455

Martijn Van Zomeren, Tom Postmes, Russell Spears