id	keyword
ertr-146	behavior
ertr-146	ecotourism
ertr-146	knowledge
ertr-146	model
ertr-146	research
ertr-146	satisfaction
ertr-146	intentions
ertr-146	control
ertr-146	review
ertr-146	items
ertr-146	ertr
ertr-146	tourism research
ertr-146	vol
ertr-146	factor
ertr-146	table