Noperiyanti, Yola, and Ali Daud Hasibuan. “Group Guidance With Cooperative Games to Improve Social Skills in Junior High School Students”. Journal of General Education and Humanities 4, no. 3 (August 3, 2025): 1147–1160. Accessed April 29, 2026. https://journal-gehu.com/index.php/gehu/article/view/620.