\documentclass[letterpaper, 11pt]{report}
\usepackage{reportSty}
% define the title
\begin{document}
\pagenumbering{roman}
\input{front/cover.tex}
\input{front/declaration.tex}
\input{front/abstract.tex}
\input{front/AckAndWork.tex}
\tableofcontents
\addcontentsline{toc}{chapter}{Table of Contents}
\newpage
\onehalfspacing
\setcounter{page}{1}
\pagenumbering{arabic}
\input{chapters/introduction.tex}
\input{chapters/lit_review.tex}
\input{chapters/methodology.tex}
\input{chapters/results.tex}
\printbibliography[heading=bibintoc]
\end{document}
