Helma Ariani Hasibuan, Putri Rahayu, Putri Roma Uly Nyata Sihombing, Siti Kholija Nasution. Meta Analisis Model Pembelajaran Kooperatif Tipe Group Investigation Terrhadap Hasil Belajar Fisika Siswa Di SMA. JUBPI [Internet]. 2023 Nov. 30 [cited 2024 Nov. 24];2(1):54-66. Available from: https://ejurnal.stie-trianandra.ac.id/index.php/JUBPI/article/view/2366