Sun G, Haining R, Lin H, Oreskovic NM, He J. Comparing the perception with the reality of walking in a hilly environment: an accessibility method applied to a University campus in Hong Kong. Geospat Health [Internet]. 2015 May 18 [cited 2024 Apr. 18];10(1). Available from: https://www.geospatialhealth.net/gh/article/view/340