Govt.guidelines-https://tcpharyana.gov.in/Notifications_Judgements/Policy%20guidelines%20for%20street%20Vendors%20Hawkers%202014.pdf

https://www.irjet.net/archives/V4/i5/IRJET-V4I590.pdf

https://www.irjet.net/archives/V4/i12/IRJET-V4I12265.pdf

https://ismasupers.com/downloads/tech-talk/tech-04understandingsteering-4.pdf

ISSN: 2277-3754 ISO 9001:2008 Certified International Journal of Engineering and Innovative Technology (IJEIT) Volume 3, Issue 12, June 2014

http://ckw.phys.ncku.edu.tw/public/pub/Notes/GeneralPhysics/Powerpoint/Extra/05/11_0_0_Steering_Theroy.pdf

https://ismasupers.com/downloads/tech-talk/tech-04understandingsteering-4.pdf