\documentclass[11pt]{article}
% Packages
\usepackage[utf8]{inputenc} % Allow UTF-8 input
\usepackage[T1]{fontenc}    % Use 8-bit T1 fonts
\usepackage{geometry}       % Set page size and margins
\usepackage{graphicx}       % Enhanced support for graphics
\usepackage{hyperref}       % For hyperlinks in the document
\usepackage{amsmath}        % For mathematical formulas
\usepackage{amsfonts}       % For mathematical fonts
\usepackage{amssymb}        % For mathematical symbols
% Document geometry (page size, margins)
\geometry{a4paper, total={170mm,257mm}, left=20mm, top=20mm}
% Document starts here
\begin{document}
\title{Title of the Document}
\author{Author Name}
\date{\today}
\maketitle
\begin{abstract}
{{ abstract }}
\end{abstract}
\section{Introduction}
{{ introduction }}
\section{Main Content}
% Add your main content here
\section{Conclusion}
{{ conclusion }}
% References
\begin{thebibliography}{9}
% Add your references here
\end{thebibliography}
\end{document}