id	keyword
gp-367	quality
gp-367	satisfaction
gp-367	value
gp-367	customer
gp-367	et al
gp-367	service
gp-367	service quality
gp-367	product
gp-367	product quality
gp-367	customer satisfaction
gp-367	linkaja
gp-367	users
gp-367	effect
gp-367	model