id	keyword
ajis02-144	usability
ajis02-144	system
ajis02-144	activity
ajis02-144	users
ajis02-144	testing
ajis02-144	evaluation
ajis02-144	usability testing
ajis02-144	activities
ajis02-144	design
ajis02-144	problems
ajis02-144	computer
ajis02-144	information