Robert, J.J., and S.H. Okidim. “ASSESSING THE DISPERSION LEVELS OF TRACE ELEMENTS IN AIR FROM CONCRETE SITE BY DRY DEPOSITION”. Faculty of Natural and Applied Sciences Journal of Scientific Innovations 3, no. 1 (November 30, 2021): 1–10. Accessed May 17, 2024. https://fnasjournals.com/index.php/FNAS-JSI/article/view/13.