Ali, Anila, Roslinah Mohamad Hussain, Nazri Che Dom, and Mujid Abdullah. 2018. “Noise-Induced Cortisol Assessment Among Young Motorcyclist: A Field Study”. Asian Journal of Quality of Life 3 (13). Sheffield, UK:117-27. https://doi.org/10.21834/ajqol.v3i13.168.