Zafar, R., Zuhairi, M. F., Yafi, E., Dao, H., & Salleh, H. M. (2018). Mobile Crowd Sensing Application for Noise Monitoring in Kuala Lumpur. International Journal of Engineering and Technology, 7(4.29), 196-202. https://doi.org/10.14419/ijet.v7i4.29.21969