id	keyword
ajrhss-27	urban
ajrhss-27	land
ajrhss-27	use
ajrhss-27	city
ajrhss-27	kano
ajrhss-27	land use
ajrhss-27	area
ajrhss-27	growth
ajrhss-27	pattern
ajrhss-27	kano urban
ajrhss-27	mobility
ajrhss-27	urban area
ajrhss-27	research
ajrhss-27	use pattern