Web of Science (Clarivate Analytics)
There are 1499 citations for articles published in the journal OPJ as of June 2021, which increase by 33% compared to 1125 citations as of June 2020.
Please click the following link to see screenshot.
Google Scholar
There are 2993 citations for articles published in OPJ
journal as of April 2021 based on the statistics from Google Scholar.
The 2-year Google-based Journal Impact
Factor (2-GJIF) is 0.49.
OPJ has been
indexed by several world class databases. For more information, please access
the following links: