\documentclass[11pt, a4paper, oneside]{book}
\usepackage[backend=biber, style=ieee]{biblatex}
\addbibresource{references.bib} %Imports bibliography file
\usepackage[utf8]{inputenc}
\usepackage{microtype}
\usepackage[english]{babel}
%Includes "References" in the table of contents
\usepackage[nottoc]{tocbibind}
%\usepackage[ngerman]{babel}
\usepackage{csquotes}
\usepackage{subcaption}
\usepackage[hidelinks]{hyperref}
\usepackage{acronym}
\usepackage{graphicx}
\graphicspath{ {./images/} }
\usepackage{fancyhdr}
\setlength{\headheight}{15pt}
\usepackage{xspace}
\usepackage{mdframed}
\usepackage{color, colortbl}
\usepackage{array}
\newcolumntype{L}[1]{>{\raggedright\let\newline\\\arraybackslash\hspace{0pt}}m{#1}}
\usepackage{booktabs}
%\linespread{0.4}
\def\whatIsIt{Master's Thesis}
\def\title{Title Here}
\def\fakultaet{Faculty of Computer Science}
\def\author{Author Name}
%\def\addrLineEins{Thesis Time Period}
\def\addrLineZwei{Study Program}
\def\matrikelNr{1234567890}
%\def\semester{Insert Semester and Academic Year}
\def\location{Duisburg}
\def\date{Month, Year}
\def\betreuer{Prof. Dr. Irene-Angelica Chounta}
\def\ersterGutachter{Prof. Dr. Name}
\def\dept{Department for Human-Centered Computing and Cognitive Science (HCCCS)} 
\def\researchgroup{Computational Methods in Modeling and Analysis of Learning Processes}
    
\begin{document}
    % This is an example of the thesis outline. Please adapt this template to fit your needs.
	\include{title}
	
    \cleardoublepage
    \pagestyle{empty}
    \include{erklaerung}
    \pagestyle{empty}
    \thispagestyle{plain}
    \input{abstract}
    \tableofcontents
    
    \mainmatter
	\lhead{}
	\chead{}
	\pagestyle{fancy}
	
    \include{Introduction}
    \include{Related_Work}
    \include{Methodology}
    \include{Results}
    \include{Discussion}
    \include{Conclusion}
    
%Figures, tables and references
    \cleardoublepage
    \listoffigures
    \listoftables
%\bibliographystyle{acm}
%    \bibliography{references}
  \printbibliography      
  
%appendices    
    \cleardoublepage
    \pagenumbering{roman}
    \appendix
    \include{appendix}
\end{document}