Kartini K, Turmuzi M, Saputra HH. Pengaruh Model Pembelajaran Kooperatif Tipe Group Investigation terhadap Hasil Belajar Matematika Kelas V SDN 31 Woja. JIPP [Internet]. 2022Jun.22 [cited 2024Nov.21];7(2):487-95. Available from: https://jipp.unram.ac.id/index.php/jipp/article/view/681