Referensi
Shults RA, Williams AF. Graduated Driver Licensing Night Driving Restrictions and Drivers Aged 16 or 17 Years Involved in Fatal Night Crashes — United States, 2009–2014. MMWR Morb Mortal Wkly Rep 2016;65:725–730. DOI: http://dx.doi.org/10.15585/mmwr.mm6529a1.
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