Abdul Khalid, M., Z. Mohd Jawi, M. Md Isa, M. Solah, A. Hamzah, N. Paiman, A. Ariffin, and M. Osman. “The Use of Safety Warning Triangle Among Malaysian Private Vehicle Users”. Journal of the Society of Automotive Engineers Malaysia, vol. 2, no. 2, Apr. 2021, pp. 184-98, doi:10.56381/jsaem.v2i2.80.