id	keyword
easat-5875	energy
easat-5875	vol
easat-5875	economy
easat-5875	efficiency
easat-5875	development
easat-5875	study
easat-5875	sharing
easat-5875	resource
easat-5875	sdgs
easat-5875	journal
easat-5875	sustainability
easat-5875	china
easat-5875	spi