“Study of the Bioaccumulation of Some Heavy Metal Elements (Zn, Ni, Co) in the Transplanted Lichen Parmelina Pastillifera (Harm.) Hale in Different Areas of Lattakia”. 2021. Latakia University Journal -Biological Sciences Series 43 (5). https://journal.latakia-univ.edu.sy/index.php/bioscnc/article/view/11069.