Numan, A., 		Sultan, K., & 		Abdullah, A.
2017 Aug  6.  Complexeation Behavior of CoII, NiII, CuII, ZnII, and CdII Ions Toward Schiff Base Derived From 2, 4 -Dihydroxy Benzaldehyde and O-Phenylene Diamine. Ibn AL- Haitham Journal For Pure and Applied Sciences. [Online] 22:3