2.2 data collection field by field data collection based on the scope of the content by the method of interview. Observe and photograph data Researchers define a specific data provider group. Is as follows:
2.2 collecting field data by collecting field data, to the extent the content of interview, observation and photographic contributors. Researchers define the specific information below.
2.2 collect field data by field data collection based on the scope of content with วิธีการสัมภาษณ์, observing and shooting the information provider. The findings were required specific, as follows: