Question Mark Do the ONS Journals Have an Impact Factor? [By Mark Vrabel, MLS, AHIP, ELS, ONS Information Resources Supervisor] Journals can be ranked through several resources. The freely available SCImago and Eigenfactor systems. The Index Copernicus Value, which, based on a 10-point scale, assigned a 6.77 to the Oncology Nursing Forum (ONF) and 6.20 to the Clinical Journal of Oncology Nursing (