1.
Silaban A, Akbar M, Hajar S, Lasmono PGD, Silaban DC. The Effect of the Group Investigation Type Cooperative Learning Model on Presentation Skills in the Topic of Ideal Gas. KPEJ [Internet]. 2025 Dec. 31 [cited 2026 Apr. 18];8(2):561-8. Available from: https://journalfkipunipa.org/index.php/kpej/article/view/1003