Author Guidelines

Manuscript should be uploaded to IOJA system and arranged in IOJA standard format, Title, Authors, Address and Email, Abstract, Keywords, Introduction, Materials and Methods, Result and Discussion, Conclusion, Acknowledgment and References. Typed at Microsoft Word in white paper of A4 size, in single column, an space line, 12 point Times New Roman font and should be given line numbers. Margins on all four sides are 3 cm. Maximum pages of manuscript not more than 18 pages.

Title, consist of no more than 20 words. It should be written clear and concise in describing the contents of the research.

Manuscript has main author and co authors with full name of the author and coauthors (no abbreviation), includes email addresses clearly.

Give a brief introduction of the research. Identify scientific names of plants,
other organisms, and chemicals. Abstract should not be more than 200 characters which has no reference and accompanied keywords. Abstract must be integrated and independent which consist of introduction, purpose, methods, results, conclusion and suggestion.

The key words and phrases following the Abstract should be alphabetically arranged and should reflect the contents of the paper. Manuscript should have keywords 3-5 words or phrases.

Presents brief and clear information concerning background, aim and purpose of the research.

It should mention time and place of the research. All materials and methods that used such as chemical for analysis, treatment and experimental design must be explained briefly but clear.

Result and discussion must be written in the same part. They should be presented continuously start from the main result to the supporting results and equipped with a discussion. Unit of measurement used should follow the prevailing international system. All figures and tables in manuscript should be original, active and able to be edited by editor.

Conclusion should be explained clearly based on the results of the research described in the manuscript.

Mention the grant source or/and the person to whom the grant was given. Name the person to help your research or compile the manuscript.

The author-year notation system is required and completed. All reference
mentioned should be written down in reference using American Psychological Association (APA) style. The most of references are primary ones (last five years). Unpublished data and personal communication should not be cited as literature citations, but given in the text in parentheses. “In Press” articles that have been accepted for publication may be cited in references. Include in the citation the journal in which the “in press” article will appear and the publication date, if a date is available. The Author must use a reference manager, such as Mendeley, Zotero, or Endnote. This manusrcipt without using a reference manager will not be accepeted until revised with reference manager.