8Richard Stabler-Sholk,Harry E.Vanden,Glen David Kuecker,Latin American Social Movement,in the Twentyfirst Century:Resistance,Power and Democracy,Rowman & Littlefield Publishers,INC,2008.
9Richard Stabler-Sholk,Harry E.Vandem,and Glen David Kuecker,"The New Politics of Social Movements in Latin America",in Latin American Perspective,,Issue 153,VoL 134,No.2,March 2007.
10Cliff Welch,“Movemant Histories:A Preliminary Historiography of the Brazil's Landless Laborer's Movement”,in Latin American Research Review,VoL 41,No.1,2006.
