Another study done by separately in the same topic, but using different types of data that are derived from data from the information store the initial document from the in-depth interviews and group discussions.
In another separate study in the same issue. But using data from different types of data collection documents initially. From in-depth interviews and focus groups.
The study on the same topic, but one should use different types of information from the information from the data documents initially from interview. And group discussion.