Sumber data diperoleh dari orang melalui wawancara secara langsung, dokumen aturan atau pedoman yang ditetapkan perusahaan dan tempat data diperoleh dari tempat penelitian.
Source data obtained from the people directly through interviews, documents the rules or the guidelines set out the company and place the data retrieved from the place of research.
Sources of data obtained from the person through direct interviews, document rules or guidelines established companies and where the data obtained from the study.