English: The ideological evolution of the Self-Defence of the Republic of Poland, based on Mateusz Piskorski's Samoobrona RP w polskim systemie partyjnym (p. 381).
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The ideological evolution of the Self-Defence of the Republic of Poland, based on Mateusz Piskorski's ''Samoobrona RP w polskim systemie partyjnym'' (p. 381).