1. Aduloju, S., & Oladeji, B. G. (2014). Vehicle Body Shape Analysis of Tricycles for Reduction in Fuel Consumption. https://www.researchgate.net/publication/269095622
2. Bloemen, M. A. T., Backx, F. J. G., Takken, T., Wittink, H., Benner, J., Mollema, J., & de Groot, J. F. (2015). Factors associated with physical activity in children and adolescents with a physical disability: A systematic review. Developmental Medicine and Child Neurology, 57(2), 137–148. https://doi.org/10.1111/dmcn.12624
3. Civil Engineering Department , University of British Columbia, C. (2007). Vehicles and systems for transportation of disabled. 5,1979(2).
4. Dantes, K. R. (2004). Analisa Stabilitas Arah Belok Kendaraan Tossa Hercules. Institut Teknologi Sepuluh November.
5. Hakim, R., & Nugroho, C. B. (2018). Desain dan Analisa Aerodimanika Dengan menggunakan Pendekatan CFD Desain dan Analisa Aerodimanika Dengan menggunakan Pendekatan CFD Pada Model 3D Untuk Mobil Prototype “ Engku Putri .” Jurnal Integrasi, 8(1 April 2016), 6–11.