Cobley, Paul
Introducing semiotics
Icon Books, 1999
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Introducing Semiotics
[publisher not identified], [date of publication not identified]
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Leeuwen, Theo van
Introduction social semiotics
Routledge , 2005
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Degenne, Alain
Introducing social networks
Sage, 1999
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Arensberg, Conrad M.
Introducing social change : a manual for community development
Aldine, 1971
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