Copyright
This is an open-access journal which means that all content is freely available without charge to the user or his/her institution. The copyright in the text of individual articles (including research articles, opinion articles, and abstracts) is the property of their respective authors, subject to a Creative Commons CC-BY-SA license granted to all others. Buletin Pembangunan Berkelanjutan allows the author(s) to hold the copyright without restrictions and allows the author to retain publishing rights without restrictions.