Ehsan, M Q. “PREPARATION AND CHARACTERISATION OF FIRST Row TRANSITION METAL COMPLEXES WITH QUADRIDENTATE TRIPODAL LIGAND TREN [TREN=TRIS (2-AMINOETHYL) AMINE] ?”. Biological Sciences - PJSIR 43, no. 5 (October 23, 2000): 271–274. Accessed July 22, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/2048.