Nawazish, S., Bukhari, S. M., Muhammad, A., Khan, I. U., Alhassan, A., Hussain, M., & Zaidi, A. (2017). Correlation analysis of toxic metals on motorway and national highway. Kuwait Journal of Science, 44(2). Retrieved from https://journalskuwait.org/kjs/index.php/KJS/article/view/1561