Songkitti, W., Pong-a-mas, S., Plengsa-ard, C., & Wirojsakunchai, E. (2022). Influence of Factors on Non-Exhaust PM Emissions from Motorcycle . Engineering and Technology Horizons, 39(1), 45–53. Retrieved from https://ph01.tci-thaijo.org/index.php/lej/article/view/245959