id	keyword
easat-3646	waste
easat-3646	transportation
easat-3646	lhokseumawe
easat-3646	city
easat-3646	route
easat-3646	tpas
easat-3646	system
easat-3646	management
easat-3646	algorithm
easat-3646	vol
easat-3646	information
easat-3646	authors