id	keyword
easat-2014	learning
easat-2014	students
easat-2014	model
easat-2014	ecopedagogy
easat-2014	pjbl
easat-2014	environmental
easat-2014	doi
easat-2014	vol
easat-2014	research
easat-2014	school
easat-2014	education
easat-2014	data
easat-2014	project
easat-2014	sukoharjo
easat-2014	studies