ISSN:1735-6814 (Print)
ISSN:1735-8043 (Online-Open Access)

IJPP is published in yearly volumes of four issues
on January, April, July and October.

Subscription for Individuals: 49 Euros

Subscription for Institute: 99 Euros

Price for single copy: 15 Euros

Impact factor of 0.350 in 2008

Impact factor of 0.635 in 2009