id	keyword
easat-2166	quality
easat-2166	service
easat-2166	fitness
easat-2166	centers
easat-2166	scale
easat-2166	factor
easat-2166	service quality
easat-2166	customer
easat-2166	items
easat-2166	model
easat-2166	instrument
easat-2166	analysis
easat-2166	study