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Author Guidelines



  1. The text is published in the form of scientific articles and the research resultsis  in the mathematics education field.
  2. The text is the original work, not plagiarism, has never been published, and not being sent to another journals.
  3. The text is written in Indonesian with 1,5 space, A4 paper size, 1000-1500 words, Times New Romanfont in the size 12 pt, with the left margin 4 cm, 3 cm right, 3 cm top and 3 cm bottom
  4. This article is written systematically and provision as follow:
  5. Title, the title is formulated briefly and clearly, not more than 15 words, with Times New Romanfont in the size 12 pt, bold, 1 space, in the middle and upper-case.
  6. author's name; The author's name is written without a title on the first line with Times New Roman font, size 12 pt, bold 1 space in the middle.
  7. Institution and Writer’s Address; written with Times New Roman font and size 11 pt. The name of the institution where the author is and the email address that is located under the author's name; if the author is more than one, e-mail address is only the head.
  8. Abstract; This abstract should provide a brief introduction to the problem, objective of paper, followed by a statement regarding the methodology and a brief summary of resultsAbstract word is written with Times New Roman font, size 12 pt, bold. The abstract text is in Indonesian and English, with 100-250 words in Times New Roman font and size 11 pt, the number of keywords at least 3-5 wordsor a combination.
  9. Article contents; article contains: (a) an introduction that provides background of the problem, a literature review presented by the integration in paragraphs, the purpose of research, (b) research methods provides the research design, instruments, data sources, data collection techniques and data analysistechniques, (c) research, (d) discussion, (e) conclusion.

Mathematical equations iswritten using Microsoft Equation Editor.

  1. Acknowledgement, addressed to all parties who helped in writting, for example, research sponsor and interviewees.
  2. Bibliography, mainly from current (3-5 years) sources (journal) source and just acknowledgment of the source designated in the article body. Instead, the name referred to in the article must be listed in the bibliography. The format of writing in bibliography referring to the APA Style format.
    1. The cost of a hard copy printing of the journal is  300,000, the author receives two copies.
    2. The article goes into the editorial desk is read and recommended by bestari partners and reviewed and selected by the editors. Articles can be accepted without corretion, with corretion, or rejected.

    template can download here


The articles can be sent through OJS (Open Journal System) Lemma journal through this site:


Submission Preparation Checklist

As part of the submission process, authors are required to check off their submission's compliance with all of the following items, and submissions may be returned to authors that do not adhere to these guidelines.

  1. articles in submission should not be published previously in another journal
  2. file submission in open office format, microsoftword, PDF, RTF or word perfect document file
  3. when where available URL for the reference shall be providedd
  4. the text of the article is 12 pt with single spacing using font Times New Romans and all ilustrations, drawings, tables separated from the text
  5. texts sent follwedthe guidlinesof writing and bibliographic guidlines set forth in the author guidlines that will be found in the journal
  6. if submission on the peer reviewers (bebestari partners) to follow the instructions in ensuring blind review

Copyright Notice

The editor team has full responsibility for the prevention of plagiarism in the publication of articles submitted to the system. The identity of the article title will not be removed and replaced. The author holds the copyright of the submitted article. Any form of plagiarism in Lemma journal will not be tolerated. Posts that have been entered into the system, the editor team is entitled to do the editing in accordance with the guidelines writing or templete in the Lemma journal

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.



Author Fees

This journal charges the following author fees.

Article Submission: 0.00 (IDR)

article review: 0.00 (IDR)

article publication: 300000.00 (IDR)

Support by ICT STKIP PGRI Sumatera Barat