\usepackage{diagbox}
\usepackage{adjustbox}
+
\newcommand{\turn}[3][10em]{% \turn[<width>]{<angle>}{<stuff>}
\rlap{\rotatebox{#2}{\begin{varwidth}[t]{#1}\bfseries#3\end{varwidth}}}%
}
\include{references}
%\include{chapter}
-%\include{appendix}
\backmatter%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\include{glossary}