id	keyword
hassl-3789	items
hassl-3789	btc
hassl-3789	tiil
hassl-3789	teachers
hassl-3789	reliability
hassl-3789	leadership
hassl-3789	scale
hassl-3789	validity
hassl-3789	informatization
hassl-3789	research
hassl-3789	cse
hassl-3789	technology
hassl-3789	teaching