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Submissions
Submission Preparation Checklist
All submissions must meet the following requirements.
- Manuscript in editable Microsoft Word format using the CED template; clear academic English; A4, single column, 11-point font, single-spaced, numbered pages, prescribed margins and no more than 20 pages.
- Title; complete author names and affiliations (city/country); institutional emails for every author; designated corresponding author. Check that the title, author names and order, affiliations, abstract, and keywords entered in OJS match the manuscript.
- Abstract of approximately 150 words; 3–10 keywords; main text, captions, numbered figures/tables, SI units and sufficiently detailed methods and validation.
- Authors are encouraged to list up to three relevant Sustainable Development Goals (SDGs) by number, where applicable, immediately after the Keywords (e.g., SDG 9; SDG 11; SDG 12). This is optional.
- Author Contributions (CRediT), Funding Statement, Disclosure Statement and Data Availability Statement, even where there is nothing to declare; AI declaration when applicable.
- References follow CED numbered style, with more than 15 sources, at least 80% primary sources and 80% published within the last 10 years (exceptions may apply to invited reviews). Check DOI links and follow the formatting examples in the CED Manuscript Template.
- Separate cover letter stating contribution and fit, originality and exclusive submission, AI-use status, and at least three independent reviewer suggestions with full details.
- Permissions for third-party content; author approval; ethics approval and informed consent where applicable.
- Graphical abstract is not required at initial submission. Authors of accepted papers must provide one as a separate image file before publication.
- Submit all files through OJS at https://ced.petra.ac.id/ (not by email).
Copyright Notice
Authors who publish with this journal agree to the following terms:
- Authors retain copyright and publishing rights and grant the journal right of first publication, with the work simultaneously licensed under a Creative Commons Attribution License. This allows others to share the work with acknowledgment of the work's authorship and initial publication in this journal.
- Authors may enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with acknowledgment of its initial publication in this journal.
- Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) following the publication of the article. This facilitates productive exchanges and can lead to earlier and increased citation of published work (see The Effect of Open Access).
Privacy Statement
The names and email addresses entered in this journal site will be used exclusively for the stated purposes of this journal and will not be made available for any other purpose or to any other party.





