Kazem, Mayada Waheed, and Raed Kamel Jalal. “Characterization of Copper Phthalocyanine-Tetrasulfonic Acid Tetrasodium Salt /Graphene Oxide”. Iraqi Journal of Science 62, no. 6 (July 1, 2021): 1893-1900. Accessed October 22, 2021. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/2751.