Le Ngoc Hanh, Nguyen Van Nam and Dinh Tran My Linh 2016. IMPLEMENTING OPENSTREET MAP TO CONSTRUCT TRAFFIC DATABASES IN LIEN CHIEU DISTRICT, DA NANG CITY . UED Journal of Social Sciences, Humanities and Education. 6, 3 (Sep. 2016), 7-12. DOI:https://doi.org/10.47393/jshe.v6i3.645.