1 نتائج 'surveys'
Surveys (en)
Encuesta (es), Обзоры (ru), استقصاءات (ar), مُسوح (ar), Enquête (fr)
Field work
Sample surveys, Survey analysis
Data collection, Population censuses, Questionnaires, Social surveys, Soil surveys, Surveying, Target groups
Science
> Scientific approach
Encuesta (es), Обзоры (ru), استقصاءات (ar), مُسوح (ar), Enquête (fr)
http://vocabularies.unesco.org/thesaurus/concept7393