Ali Hussein Mohammed Alwan. 2025. “Synthesis and Spectroscopic Characterization of the New Ligand 2-Phenyl-5-[(2E)-2-(thiophen-2- ylmethylidene)hydrazinyl]-1,3,4-Oxadiazole and Its Complexes With cobalt[II] and nickel[II]”. Open Herald: Periodical of Methodical Research 3 (03):33-41. https://academiaone.org/index.php/6/article/view/1150.