TIRTA, Gusti Ayu Rai; PRABOWO, Prabowo; KUNTJORO, Sunu. Development of Physics Teaching Instruments Belong to Cooperative Group Investigation Model to Improve Students Self-Efficacy and Learning Achievement. JPPS (Jurnal Penelitian Pendidikan Sains), [S. l.], v. 7, n. 2, p. 1464–1471, 2018. DOI: 10.26740/jpps.v7n2.p1464-1471. Disponível em: https://journal.unesa.ac.id/index.php/jpps/article/view/2925. Acesso em: 15 jun. 2025.