Mustafa Talib Yousif , Ahmad Farhan Mohd Sadullah, Khairil Anwar Abu Kassim , Zaid Abdi Alkareem Alyasseri. (2020). Selection of colours and shapes of laser light apparatus for improvement of motorcycle conspicuity. International Journal of Advanced Science and Technology, 29(8s), 1910 - 1925. Retrieved from http://sersc.org/journals/index.php/IJAST/article/view/12754