Daud, M., S. Waheed, N. Siddique, S. Ahmad, and N. S. Samad. “POTENTIAL BIOMONITORS FOR ATMOSPHERIC POLLUTION”. The Nucleus 43, no. 1-4 (July 6, 2020): 185–193. Accessed April 29, 2024. http://www.thenucleuspak.org.pk/index.php/Nucleus/article/view/1039.