id	keyword
foster-254	teacher
foster-254	questions
foster-254	questioning
foster-254	strategies
foster-254	classroom
foster-254	efl
foster-254	language
foster-254	issn
foster-254	checks
foster-254	http://u.lipi.go.id/1593190689
foster-254	pre
foster-254	service
foster-254	students
foster-254	teaching