\begin
Discover why 18 million people worldwide trust Overleaf with their work.
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\usepackage{fancyhdr}
\usepackage[leqno]{amsmath}
\usepackage{amsfonts, amssymb, amsthm}
\usepackage{tabularx}
\usepackage{supertabular}
%\usepackage{mathtools}
\usepackage{multirow}
\usepackage{array}
\usepackage{fancyvrb}
\usepackage{tabularx}
\usepackage{times}
\usepackage{caption}
\usepackage{subcaption}
\usepackage[most]{tcolorbox}
\usepackage{float}
\usepackage{hyperref}
\usepackage{xcolor, graphicx}
\usepackage{tikz, pgfplots} \pgfplotsset{compat=1.18}
%\usepackage{subfig}
\usepackage{polyglossia}
\setdefaultlanguage[locale=algeria,numerals=western]{arabic}
\setotherlanguage{english}
\newfontfamily\englishfont[Scale=1]{Amiri}
\newfontfamily\arabicfont[Script=Arabic,Scale=1]{Amiri}
\linespread{1.5}
\hypersetup{colorlinks, linkcolor=blue,citecolor=red,urlcolor=blue}
%to change numbering equations, sections, subsections and subsubsections from left to right
\renewcommand{\thesection} {\arabic{section}.\arabic{chapter}}
\renewcommand{\thesubsection} {\arabic{subsection}.\arabic{section}.\arabic{chapter}}
\renewcommand{\thesubsubsection} {\arabic{subsubsection}.\arabic{subsection}.\arabic{section}.\arabic{chapter}}
\begin{document}
%%%%%%%% Cover page %%%%%%%%%%%%%%%%%%%%%%%%%%
\newpage
\input{Cover_page}
\pagenumbering{gobble}
%%%%%%%% Abstract page %%%%%%%%%%%%%%%%%%%%%%%%%%
\newpage
\input{Abstract}
\pagenumbering{gobble}
%%%%%%%% Dedication page %%%%%%%%%%%%%%%%%%%%%%%%%%
\newpage
\thispagestyle{empty}
\input{Dedication.tex}
\pagenumbering{gobble}
%%%%%%%% Thanks page %%%%%%%%%%%%%%%%%%%%%%%%%%
\newpage
\thispagestyle{empty}
\input{Thanks}
\pagenumbering{gobble}
%%%%%%%% List of Abbreviations %%%%%%%%%%%%%%%%%%%%%%
\newpage
\thispagestyle{empty}
\input{Abbreviations.tex}
%%%%%%%% Table of contents %%%%%%%%%%%%%%%%%%%%%%%%%%
\newpage
\setcounter{secnumdepth}{3}
\setcounter{tocdepth}{3}
\pagenumbering{gobble}
\tableofcontents
\pagenumbering{gobble}
%%%%%%%%%%%% List of Figures %%%%%%%%%%%%%%%%%%%%
\newpage
\listoffigures
\thispagestyle{empty}
\pagenumbering{gobble}
\addcontentsline{toc}{chapter}{قائمة الأشكال }
%%%%%%%%%% List of Tables %%%%%%%%%%%%%%%%%%%%%%%%%%
\newpage
\listoftables
\thispagestyle{empty}
\pagenumbering{gobble}
\addcontentsline{toc}{chapter}{قائمة الجداول }
%%%%%%%%%%%%%%%%%%%%% Main document %%%%%%%%%%%%%%%%%%
%\pagenumbering{arabic}
\setcounter{page}{0}
\input{General_Introduction}
\renewcommand{\chaptername}{الفصل} %change chapter name
\input{Chapter_1}
\input{Chapter_2}
\input{Chapter_3}
\input{General_Conclusion}
%%%%%%% bibliography %%%%%%%%%%%%%%%%%%
\newpage
\pagenumbering{gobble}
\nocite{*}
\setLR
\bibliographystyle{unsrt}
\bibliography{Biblio}
\thispagestyle{empty}
\addcontentsline{toc}{chapter}{المصادر }
%%%% Appendices %%%%%%%%%%%%%%%%%%%
%\newpage
%\setRL
%\appendix
%\include{Appendix_A}% Appendix A
%\include{Appendix_B}% Appendix B
\end{document}