Please follow the instruction to prepare the English abstract of your manuscript

Instructions for abstract:

• Title: The title is centered on the page and Bold Title Case (the first letter of each main word capitalized) and font size is 14.

• Author: The author starts with the Initials Name then the Family name and in Bold and centered on the page.

• Address: The address of the author should follow the author (12, Times new Roman and centered on the page).

• Abstract: the abstract should be written in English, not exceed 250 words and must be free of references and abbreviations. It should indicate clearly the scope and main conclusions of the manuscript. The font is 12 Times new roman and justified to full).

• Keywords: 4-8 effective keywords should be added to the end of the abstract.

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