Join the Goodreads Author Program

Are you Pertti Simula, author of the books below?
Miten kohdata vihaa ja ilkeyttä – keinot vaikeisiin tilanteisiin by Pertti Simula Käsikirja ihmiselle by Pertti Simula Transformação das Relações Humanas e Cooperação by Pertti Simula Miten käsitellä vihaa ja ilkeyttä by Pertti Simula


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