Was collected by questionnaire, interviews, and small group discussion. Sample of 1,100 samples classified as business, education, and business aviation for over 550 550 samples.
By collecting data with queries, interviews and group discussions, subfolders from 1100 samples, for example, recognizes education as a business, for example, and 550 550 business examples.
The information collected by a questionnaire and an interview with the voice of the group an example sub-group 1,100 examples identify the study is a business hotel 550 samples, and the airline business 550 examples