“‘SYNTHESIS AND CHARACTERIZATION OF Ni(II), Cu(II), Zn(II), Cd(II), and Hg(II) COMPLEXES WITH A NOVEL SCHIFF BASE LIGAND: 4-Hydroxy-3-(1-((5-(p-Tolyl)- 1,3,4-Oxadiazol-2-yl)imino)ethyl)-2H-Chromen-2-one’”, IJFANS, vol. 11, no. 10, pp. 6804–6815, Jan. 2022, Accessed: Aug. 12, 2026. [Online]. Available: https://www.ijfans.org/index.php/Journal/article/view/11443