SARI, Bernadetha Titis Wulan; KRISTIN, Firosalia. Efektivitas Penggunaan Model Problem Based Learning Dan Model Group Investigation Terhadap Kemampuan Kerjasama Siswa Sekolah Dasar. Jurnal Basicedu, [S. l.], v. 4, n. 2, p. 257–267, 2020. DOI: 10.31004/basicedu.v4i2.357. Disponível em: https://www.jbasic.org/index.php/basicedu/article/view/357. Acesso em: 16 jun. 2025.