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 neither been previously published, nor it is sent to other journal for consideration (or an explanation has been provided in Comments to the Editor).
The submission file is in Microsoft Word.
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, which is found in About the Journal.
All illustrations including figures, charts and graphs, are labelled and supplied on pages separate from the text. The desired placement in the text are clearly indicated. All illustrations are referred to and numbered serial, as figures. All illustrations are clearly drawn in permanent ink or photographed in sharp black and white and reproduced in the form of high - contrast glossy prints or digital images and provided in camera ready form.
Authors understand that the submitted manuscript may be subjected to similarity checks using the appropriate software.
Name, address and email address (institution's email) of three possible referees outside the authors' institution are indicated in the COMMENTS TO THE EDITOR.
Manuscripts should be submitted on-line to the Editor in Chief. Contributions should be in English or Bahasa Malaysia. Papers in Bahasa Malaysia should be accompanied by an abstract in English. All references must be in Roman alphabet.
The Manuscript, including the abstract, references, tables, figures and figures caption should be clearly typewritten, double-spaced and on one side only, on good A-4 size papers with ample margins. Each page of the manuscript should be numbered at the top. All submissio must be made through the online OJS system of the journal.
Tables and figures should be numbered in the order of appearance in the text. Each table and each figure should occupy a separate page in a form ready for reproduction and they shoal be large enough for reduction to a minimum of 50% of their original size.
Abstract should not be more than 300 words long for Letters.
References should be numbered in square brackets, e.g. , in the order or citation. The Following examples show the preferred format for references.
 R. Vittal (2017) Renew. Sust. Energ. Rev.70, 920.
 B. Mehmood, M. I. Khan, M. Iqbal, A. Mahmood and W. Al-Masry (2021) Int. J. Energ. Res.45(2), 2445.
 Sakka, S. (1998) Sol-Gel Technology for Thin Films, Fibres Performs, Electronics and Speciality Shapes; Ed. Lisa C. Klein. Noyes, New Jersey. Chap. 7, pp. 140.
All submitted papers will be acknowledged and referred to. The acceptance and rejection of the paper is the sole prerogative of the Editor.
Please contact the Chief Editor (email@example.com) for any inquiries about the journal. For any technical difficulties please contact our technical support (firstname.lastname@example.org).