1. Agent, K., & Deen, R. (1975). Relationships between Roadway Geometrics and Accidents. Transportation Research Board, National Research Council.
2. Projection of Greenhouse Gas Emissions for the Road Transport Sector Based on Multivariate Regression and the Double Exponential Smoothing Model
3. Aliyu, A. et al. (2016). Influence of Aircraft Noise on Residential Property Values: Evidence from Current Literature. Proceedings of the Academic Conference of Nightingale Publications & Research International on Sustainable Development, 2, 1-20.
4. Global mismatch between greenhouse gas emissions and the burden of climate change
5. American Association of People with Disabilities (AAPD) (2016). Equity in Transportation for People with Disabilities. The Leadership Conference Education Fund.