The Article Processing Charge (APC) will support the open-access publishing model, where research articles are made freely available to readers without any subscription barriers. This helps to disseminate research widely and allows for broader access and engagement from a global audience, including researchers, students, and the general public. Also, APCs help cover the operational and production costs associated with publishing to support the sustainability of open-access models, such as editorial processes, hosting the article online, and DOI fee.

Author(s) who will submit manuscript to the RPBJ will be charged free, while APC for article is IDR (Rp.) 350.000,- (or equal US$25) that are ready to be published, can be transferred via Mandiri bank 186-00-0529611-2 (Syahran Wael). Kindly, confirmation of payment sent to: rumphiusbiojournal@gmail.com, Whatsapp: +62 82133666644 (Syahran Wael; Managing Editor).