diff --git a/latex/thesis.cls b/latex/thesis.cls
index 0658f73..356825d 100644
--- a/latex/thesis.cls
+++ b/latex/thesis.cls
@@ -26,8 +26,13 @@
 \RequirePackage{float}         % Provides [H] option to force figure/table placement
 
 % Polyglossia set language
-\setmainlanguage{bahasai}
-% \setotherlanguage{english}
++ \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