Current Issue
Vol 2019 (2019)
![](https://journals.upd.edu.ph/updjpublic/journals/38/cover_issue_699_en_US.jpg)
To view this issue, visit https://cids.up.edu.ph/publications/pjpp/pjpp-2019/.
Published:
2020-10-22
To view this issue, visit https://cids.up.edu.ph/publications/pjpp/pjpp-2019/.