documentclass[a4paper, 12pt, english]{article}
usepackage[T1]{fontenc}
usepackage[latin9]{inputenc}
usepackage{natbib}
usepackage{chapterbib}

begin{document}

input{./title.tex}

renewcommand{contentsname}{Table of Contents}
tableofcontents

include{Introduction}
include{Paper1}
include{Paper2}
include{Paper3}

end{document}

begin{center}
{bfseries Title}
end{center}
section{Introduction}
section{Conceptual Foundations}
subsection{Topic A}