We collect information to be used in the study of supply chain by means of storing the data we choose to go to interviews, observation, owner, Manager. Workers in the industry, including the driver of a company working in the various goals based on the information supplied is accurate. Conformity and in the same direction. At the interview we have the audio recording and notes to go with the. To reduce the error information, including the contents of research-related information, such as the raw data from articles, books, and compared to what is gained from the interview data, where relevant to the research and data, unexpected movement. Which allow research with greater reliability.
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