Submission for publication fee
King Prajadhipok’s Institute (KPI) will charge fee’s rating for publication as following :
      1. Professor, academic, or expert – 4,000 bath/1 article
      2. Student in educational department, institution, university – 2,500 bath/1 article
      3. Internals KPI’s staffs/academic has no submission fee
       Authors are requested to pay the fee after their article is being considered to pass the approval and qualified to publish according to the journal process. (After reviewing process)

Invitation for publication fee
In case of invitation, King Prajadhipok’s Institute (KPI) reserves the right to pay fee only those specific individual as following : 
        Outsider
      1. KPI will pay for submission - 6,000 bath/1 article
      2. KPI will pay for book reviews or Article reviews - 2,500 bath/ 1 review 
        Internals KPI’s staffs/academic
      1. KPI will pay for submission - 3,000 bath/1 article
      2. KPI will pay for book reviews or Article reviews – 1,250 bath/ 1 review