The Effect of Flipped Classroom Combination of Cooperative Methods and Group Investigation Type (MKGI) on Mathematical Communication Skills. Buana Pendidikan: Jurnal Fakultas Keguruan dan Ilmu Pendidikan Unipa Surabaya, [S. l.], v. 22, n. 1, p. 33–47, 2026. DOI: 10.36456/bp.vol22.no1.a11077. Disponível em: https://jurnal.unipasby.ac.id/jurnal_buana_pendidikan/article/view/11077. Acesso em: 4 jun. 2026.