Professors and Graduate School Students. Please read the guidelines for paper submission and follow strictly the guidelines. The Journal is following OJS/PKP platform and workflow . The content of the journal is preserved in PKP PN with the identifier: EE0763D2-BD62-45FD-BA5A-14BB740D8CEB. It is known as LOCKSS. The purpose is to preserve the paper perpetually. This is the unique feature of this journal because not all journals have PKP PN.