To our valued clients,

Please be advised that the Open Journal System (OJS) will be unavailable from February 15 to 17, 2023 as there will be a scheduled maintenance at this time.

During this time, you may use our transition website to submit your papers for review. The transition OJS may be accessed at The user manual is also available on the site to guide you accordingly.

Should you have queries and concerns, please do not hesitate to contact us at

We apologize for any inconvenience.

Thank you very much.


PNU-Publication Office