2. the interview When we want to know about the person, using the method of interview is to gather information directly, such as one of the company's personnel need to know information about your past work history of the applicant, it will use the method of interview. Where to get information about the history of past work. Also, the personality of the person being interviewed understand. 4. to collect information that others have already gathered a collection of information that is less costly because there are those who have already collected data, for example, wanted to know about the food of the North. You can find information about our northern cooking related books, magazines, periodicals or look like from the Internet, which is the data source that is used to find out the most because it's fast, free and there is a wide variety of information.
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