Shnain, S.M. 2026. Study and Analysis of Nanoscale Properties of Nickel and Nickel Oxides Prepared Using Roselle extract. Academia Open. 12, 1 (Sep. 2026), 10.21070/acopen.12.2027.15889. DOI:https://doi.org/10.21070/acopen.12.2027.15889.