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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.

  • The submission has not been previously published, nor is it before another journal for consideration (or an explanation has been provided in Comments to the Editor).
  • The submission file is in OpenOffice, Microsoft Word, or RTF document file format.
  • Where available, URLs for the references have been provided.
  • The text is single-spaced; uses a 12-point font; employs italics, rather than underlining (except with URL addresses); and all illustrations, figures, and tables are placed within the text at the appropriate points, rather than at the end.
  • The text adheres to the stylistic and bibliographic requirements outlined in the Author Guidelines.

Term and Condition

  1. Types of paper are original research or review papers that are relevant to our Focus and Scope and never or in the process of being published in any national or international journal
  2. Paper is written in good Indonesian
  3. The paper must be submitted to https://journal.unm.ac.id/index.php/ptp and the journal template could be downloaded here.
  4. The paper should not exceed 15 printed pages (1.15 spaces) including figure(s) and table(s)

Article Structure

  1. Please ensure that the e-mail address is given, up to date and available for communication by the corresponding author
  2. Article structure for original research contains
    , The purpose of a title is to grab the attention of your readers and help them decide if your work is relevant to them. The title should be concise no more than 15 words. Indicate clearly the difference between your work with previous studies.
    , The abstract is a condensed version of an article and contains important points of introduction, methods, results, and conclusions. It should reflect clearly the content of the article. There is no reference permitted in the abstract, and abbreviations preferably be avoided. Should an abbreviation is used, it has to be defined in its first appearance in the abstract.
    , Keywords should contain a minimum of 3 and a maximum of 6 words, separated by semicolons. Keywords should be able to aid searching for the article.
    , Introduction should include sufficient background, goals of the work, and statement on the unique contribution of the article in the field. The following questions should be addressed in the introduction: Why the topic is new and important? What has been done previously? How results of the research contribute to a new understanding of the field? The introduction should be concise, no more than one or two pages, and written in the present tense.
    Material and methods
    , “This section mentions in detail material and methods used to solve the problem, or prove or disprove the hypothesis. It may contain all the terminology and the notations used, and develop the equations used for reaching a solution. It should allow a reader to replicate the work”
    Result and discussion
    , “This section shows the facts collected from the work to show the new solution to the problem. Tables and figures should be clear and concise to illustrate the findings. The discussion explains the significance of the results.”
    Conclusions, “Conclusion expresses summary of findings and provides an answer to the goals of the work. The conclusion should not repeat the discussion.”
    , Acknowledgement consists funding body, and a list of people who help with language, proofreading, statistical processing, etc.
    , We suggest authors use citation managers such as Mendeley to comply with the APA style 7th edition. References are at least 10 sources. The ratio of primary and secondary sources (definition of primary and secondary sources) should be a minimum of 80:20.


Kong, D., Wang, Y., Li, M., Keovisar, V., Huang, M., & Yu, Q. (2020). Experimental study of solar photovoltaic/thermal (PV/T) air collector drying performance. Solar Energy208, 978–989. https://doi.org/10.1016/J.SOLENER.2020.08.067

Shelvam, H., Jayarajah, K., Kandasamy, S., Xiao, S., Durairaj, Y., Singh, C. K. S., & Maniam, M. (2021). An Investigation on the Learners’ Perceptions and Experiences in Engaging with Online Writing Lessons Conducted via Google Classroom. International Journal of Asian Social Science12(1), 13–25. https://doi.org/10.18488/5007.v12i1.4389


Singh, R. P., & Heldman, D. R. (2001). Introduction to food engineering. Gulf Professional Publishing.