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The Portrait of Professor Helena Siwek (edited by Lidia Zaręba)Publilcations by Professor Helena Siwek (edited by Janina Wiercioch)The year 2010 marks the 70-th anniversary of birthday of Professor Helena Siwek, a Polish Mathematics Education specialist who significantly contributed to the creation and promotion of this area of knowledge in Poland and abroad. As a student of professor Anna Zofia Krygowska, she has been continuing the work initiated by Krygowska through a substantial contribution...
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