Chiew, Mary Grace S. The effects of urban details on the use of pedestrian lanes as symbolic barriers / Mary Grace S. Chiew - Davao City : UP in Mindanao, c2006. - 144 leaves p. : ill. ; 28 cm. Thesis (Urban Regional Planning)--U.P. in Mindanao,2006. Includes bibliographical references. Subjects--Topical Terms: Pedestrians--Symbols.--Davao City