id	keyword
childteen-1301	learning
childteen-1301	teaching
childteen-1301	environment
childteen-1301	students
childteen-1301	instruction
childteen-1301	individual
childteen-1301	methods
childteen-1301	group
childteen-1301	teacher
childteen-1301	classroom
childteen-1301	research
childteen-1301	teaching methods
childteen-1301	new