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Tourist activity of pensioners in Poland in 2009 : a statistical analysis
Iwona Bąk
Folia Oeconomica Stetinensia , 10(18) /2 (2011) s. 155-168
Iwona Bąk
Folia Oeconomica Stetinensia
, 10(18)
/2
(2011)
s. 155-168