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Filter search resultsCollecting data on sensitive issues
Image: Polling Booths, by PetroleumJelliffe on FlickrالمدونةPolling booth
Polling booth is a data collection methodology used to obtain sensitive information from participants.الأسلوبMalawi exports treemap
This Wikipedia page is an example of an export trading treemap developed by the Observatory of Economic Complexity of MIT Media Lab and the Center for International Development at Harvard University.الموارد