Widyasari NMS, Safruddin S, Rosyidah ANK. Pengaruh Model Pembelajaran Cooperatvie Learning Tipe Group Investigation Terhadap Hasil Belajar Matematika Siswa Kelas V SDN 26 Ampenan. jipi [Internet]. 2020 Dec. 31 [cited 2024 Nov. 5];2(2). Available from: https://jipi.unram.ac.id/index.php/jipi/article/view/44