Badania-ang

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Central Statistical Office (GUS) is performed annually throughout the country MANDATORY TESTING THE FARM.
Tests are performed on randomly selected farms by interviewers - through direct interviews or teleankieterów - by telephone interview.

Central Statistical Office (GUS) is performed annually throughout the country MANDATORY TESTING THE FARM.
Tests are performed on randomly selected farms by interviewers - through direct interviews or teleankieterów - by telephone interview.

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