\usepackage{lscape} % For landscape mode (Appendix B)
\usepackage{tikz} % graphics (Appendix B)
\usetikzlibrary{shapes.geometric}
+\usetikzlibrary{shapes.multipart}
\usetikzlibrary{arrows,decorations.pathmorphing}
\usepackage{makeidx} % For making an index
% hyperref must be the last package listed.