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Kwartalnik Pedagogiczny > 2005 > 50 > 4(198) > 167-185
Studia Ekonomiczne > 2015 > 229 > 35-47
2014 IEEE Rural Electric Power Conference (REPC) > C1-1 - C1-5
Kwartalnik Pedagogiczny > 2005 > 50 > 4(198) > 167-185
Studia Ekonomiczne > 2015 > 229 > 35-47
2014 IEEE Rural Electric Power Conference (REPC) > C1-1 - C1-5