\documentclass[12pt]{gatechthesis}
% preamble
\title{Thesis Title}
\author{Juan Dela Cruz}
%\vspace*{0.5cm} \\{Nunas Eluzai\\ Index No: 12-CC-1027}}
\approvaldate{\underline{\hspace{2in}}}
\department{Institute of XXXXX}
\bibliography{references}
% document body
\begin{document}
\makeTitlePage{June}{2021}
\input{declaration}
%\input{approvalPage.tex}
\makeDedication{For my cousin Kara}
\begin{frontmatter}
\input{acknowledgments}
\input{summary}
\makeTOC
\makeListOfTables
\makeListOfFigures
\input{abbrevs}
\end{frontmatter}
\begin{thesisbody}
\input{chapters/chapter1}
\input{chapters/chapter2}
\input{chapters/chapter3}
\input{chapters/chapter4}
\input{chapters/chapter5.tex}
\input{chapters/appendix.tex}
\makeBibliography
\end{thesisbody}
\end{document}