Szukana fraza: [Bibliografia = %2243. Kollmuss A.%2C Agyeman J.%2C 2002. Mind the gap%5C: Why do people act environmentally and what are the barriers to pro%5C-environmental behaviour%5C%3F Environmental education research%2C vol. 8%2C no. 3%2C pp. 239%5C-260.%22]

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