“Synthesis and Characterization of Copper Nanoparticles by Chemical Method Using Ascorbic acid as a Reducing Agent in Presence of Metronidazole Benzoate (MTZ.B) (1-(2-benzyloxy ethyl)-5-nitro methyl imidazole) Drug ”, cbej, vol. 24, no. 101, pp. 97–113, Dec. 2022, doi: 10.35950/cbej.v24i101.6965.