diff --git a/latex/thesis.cls b/latex/thesis.cls
index 7aeb853..8c58b1f 100644
--- a/latex/thesis.cls
+++ b/latex/thesis.cls
@@ -24,15 +24,14 @@
 \RequirePackage{svg}           % Allows including SVG images directly
 \RequirePackage{indentfirst}   % Makes first paragraph after headings indented
 \RequirePackage{float}         % Provides [H] option to force figure/table placement
-
+\RequirePackage[style=apa, backend=biber, language=indonesian]{biblatex}
 % Polyglossia set language
-+ \setdefaultlanguage[variant=indonesian]{malay}  % Proper Indonesian language setup
-+ \setotherlanguage{english}             % Enables English as secondary language
-
-+ \DefineBibliographyStrings{english}{%  % Customizes bibliography text
-+   andothers={dkk\adddot},              % Changes "et al." to "dkk."
-+   pages={hlm\adddot},                  % Changes "pp." to "hlm."
-+ }
+\setdefaultlanguage[variant=indonesian]{malay}  % Proper Indonesian language setup
+\setotherlanguage{english}             % Enables English as secondary language
+% \DefineBibliographyStrings{english}{%  % Customizes bibliography text
+%   andothers={dkk\adddot},              % Changes "et al." to "dkk."
+%   pages={hlm\adddot},                  % Changes "pp." to "hlm."
+% }
 
 % Conditionally load the watermark package and settings
 \if@draftmark
@@ -56,8 +55,6 @@
 \setsansfont{Arial}
 \setmonofont{Courier New}
 
-% Metadata commands
-\input{metadata}
 
 \newcommand{\setthesisinfo}[7]{%
   \renewcommand{\thesistitle}{#1}%