ISI Web of Knowledge
There are 362 citations for articles
published in the journal PP as of June 2016, which increase by 62%
compared to 224 citations as of July 2015.
Please click the following link to see the screenshot.
There are 1124 citations for articles published in PP journal as of October 2016 based on the statistics
from Google Scholar.
The 2-year Google-based Journal Impact
Factor (2-GJIF) is 0.88.
PP is indexed by CABI, which is one of the
9 databases in the "Web of Science".
Please check the screenshot from Harvard University Library.
been indexed by several world class databases. For more information, please
access the following links: