Sun, Danyang; El-Basyouny, Karim; Ibrahim, Shewkar; Kim, Amy M. (2018-07-06). "Are school zones effective in reducing speeds and improving safety?". Canadian Journal of Civil Engineering. 45 (12): 1084–1092. doi:10.1139/cjce-2018-0060. hdl:1807/92497. ISSN0315-1468. S2CID117609025.
handle.net
hdl.handle.net
Sun, Danyang; El-Basyouny, Karim; Ibrahim, Shewkar; Kim, Amy M. (2018-07-06). "Are school zones effective in reducing speeds and improving safety?". Canadian Journal of Civil Engineering. 45 (12): 1084–1092. doi:10.1139/cjce-2018-0060. hdl:1807/92497. ISSN0315-1468. S2CID117609025.
semanticscholar.org
api.semanticscholar.org
Sun, Danyang; El-Basyouny, Karim; Ibrahim, Shewkar; Kim, Amy M. (2018-07-06). "Are school zones effective in reducing speeds and improving safety?". Canadian Journal of Civil Engineering. 45 (12): 1084–1092. doi:10.1139/cjce-2018-0060. hdl:1807/92497. ISSN0315-1468. S2CID117609025.
Sun, Danyang; El-Basyouny, Karim; Ibrahim, Shewkar; Kim, Amy M. (2018-07-06). "Are school zones effective in reducing speeds and improving safety?". Canadian Journal of Civil Engineering. 45 (12): 1084–1092. doi:10.1139/cjce-2018-0060. hdl:1807/92497. ISSN0315-1468. S2CID117609025.