"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 2022, 11 (10), 6804-6815.