id	keyword
gssr-604	research
gssr-604	walkability
gssr-604	pedestrian
gssr-604	global
gssr-604	walking
gssr-604	transportation
gssr-604	safety
gssr-604	design
gssr-604	sustainability
gssr-604	environment
gssr-604	index
gssr-604	study
gssr-604	city
gssr-604	data
gssr-604	presence
gssr-604	development
gssr-604	mobility
gssr-604	health
gssr-604	experience
gssr-604	factors
gssr-604	soccsksargen
gssr-604	principles