diff --git a/latex/chapters/id/03_methodology/data_analysis/index.tex b/latex/chapters/id/03_methodology/data_analysis/index.tex
new file mode 100644
index 0000000..e69de29
diff --git a/latex/chapters/id/03_methodology/index.tex b/latex/chapters/id/03_methodology/index.tex
new file mode 100644
index 0000000..e69de29
diff --git a/latex/chapters/id/03_methodology/material/index.tex b/latex/chapters/id/03_methodology/material/index.tex
new file mode 100644
index 0000000..e69de29
diff --git a/latex/chapters/id/03_methodology/steps/index.tex b/latex/chapters/id/03_methodology/steps/index.tex
new file mode 100644
index 0000000..e69de29
diff --git a/latex/chapters/id/03_methodology/tool/hardware.tex b/latex/chapters/id/03_methodology/tool/hardware.tex
new file mode 100644
index 0000000..e69de29
diff --git a/latex/chapters/id/03_methodology/tool/software.tex b/latex/chapters/id/03_methodology/tool/software.tex
new file mode 100644
index 0000000..e69de29