diff --git a/resources/CCHM/main.pdf b/resources/CCHM/main.pdf
new file mode 100644
index 0000000..1bae6a3
Binary files /dev/null and b/resources/CCHM/main.pdf differ
diff --git a/resources/CCHM/main.tex b/resources/CCHM/main.tex
index 30c4476..6ea3ed9 100644
--- a/resources/CCHM/main.tex
+++ b/resources/CCHM/main.tex
@@ -1,10 +1,18 @@
 \documentclass[10pt,a4paper,utf8]{article}
 
-\usepackage[a4paper,inner=100pt,outer=100pt,textheight=630pt,centering]{geometry}
+\def\OPTpagesize{4.8in,7.9in}   % Page size
+\usepackage[
+  papersize={\OPTpagesize},
+  margin=0.4in,
+  twoside,
+  includehead,
+]{geometry}
 
 \usepackage{enumerate}
 \usepackage[usenames,dvipsnames]{xcolor}
-\usepackage[pagebackref,citecolor=blue,linkcolor=OliveGreen,urlcolor=Mahogany,colorlinks]{hyperref}
+\usepackage[
+  pagebackref,citecolor=blue,linkcolor=OliveGreen,urlcolor=Mahogany,colorlinks
+]{hyperref}
 \usepackage[utf8]{inputenc}
 \usepackage{color}
 \usepackage{url}