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Approaches and methodologies in the social sciences : a pluralist perspective / edited by Donatella della Porta and Michael Keating . Cambridge : Cambridge University Press, 2008 . xv, 365 stran . ISBN 978-0-521-70966-8 (brožováno). ISBN 978-0-521-88322-1 (vázáno) . http://www.loc.gov/catdir/toc/fy0906/2008301077.html .   [1, z toho volných 0]