As soon as Eksakta : Berkala Ilmiah Bidang MIPA has published an article, the version of the article that has been submitted, accepted for publication, and the published version can be used for a variety of non-commercial scholarly purposes, subject to full attribution under the https://creativecommons.org/licenses/by/4.0/(CC BY).

Author(s) may deposit and use the document as follows:

• on personal website
• on the company or institutional repository
• on subject repositories
• on Social Collaboration Networks (SCNs) that have signed up to the Voluntary STM Sharing Principles
• with individuals requesting personal use for teaching and training within the author’s institution, and as part of an author’s grant applications or theses/doctorate submissions.

Authors may post the version of the article that was submitted to the journal (pre-print) to the above resources, at any time.

Exceptions to this policy include:

• the systematic upload or collation of Eksakta's articles across repositories,
• copying or downloading documents for further distribution for a fee,
• any use of the documents in conjunction with advertising,
• any use of the documents by for promotional purposes by for-profit organizations,
• any use that would confer monetary reward, commercial gain or commercial exploitation.

For any specific queries in relation to repositories, please contact eksakta@ppj.unp.ac.id.