* Paul Collier, "Breaking the Conflict Trap: civil war and development policy" World Bank (2003) - 320 pages* Stathis Kalyvas, "'New' and 'Old' Civil Wars: A Valid Distinction?
"Civil Wars in Africa: roots and resolution" (1999), 322 pages* Mats Berdal and David M. Malone, "Greed and Grievance: Economic Agendas in Civil Wars" (Lynne Rienner, 2000).