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La chaîne de valeur de Porter by Xavier Robben A Cadeia de Valor de Michael Porter by Xavier Robben La chaîne de valeur de Porter by Xavier Robben Łańcuch wartości Michaela Portera by Xavier Robben Michael Porter'ın değer zinciri by Xavier Robben Ланцюжок створення вартості Майкла Портера by Xavier Robben Η αλυσίδα αξίας του Michael Porter by Xavier Robben De waardeketen van Michael Porter by Xavier Robben La catena del valore di Michael Porter by Xavier Robben Цепочка создания стоимости Майкла Портера by Xavier Robben


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