Google Scholar
There are 8386 citations for articles published in the journal PP as of December 2019 based on the statistics from Google Scholar.
The 2-year Google-based Journal Impact Factor (2-GJIF) is 0.67.
CABI databases
PP is indexed by CABI, which is one of the 9 databases in the "Web of Science".
Please check the screenshot.
PP has been indexed by several world class databases. For more information, please access the following links: