Ehsan, Nusrat, Rab Nawaz, Sajjad Ahmad, Muhammad Arshad, Muhammad Umair, and Muhammad Sarmad. “Remediation of Heavy Metal-Contaminated Soil by Ornamental Plant Zinnia (Zinnia Elegance L.)”. Asian Journal of Chemistry 28, no. 6 (February 29, 2016): 1338–1342. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/28_6_36.