OPTIMUM: Indonesian Journal of Social Sciences and Humanities does not charge any Article Processing Charges (APC) for manuscript submission, peer review, or publication. All processes, including the evaluation, review, editing, and publication of accepted articles, are completely free of charge for authors.

We are committed to maintaining an open access model where all articles published in the journal are freely accessible to readers without any financial barriers. Authors do not need to pay any fees to submit, review, or publish their articles in OPTIMUM.

This policy ensures that the journal remains accessible to researchers, scholars, and readers worldwide, promoting the free exchange of knowledge and advancing academic research in the social sciences and humanities.