ROBI, Fikri Syahir; DIANTI, Putri Rahma; HANDAYANI, Ning Rahayu. Improving cognitive learning outcomes and communication skills through problem-based learning with lesson study. Jurnal Penelitian Ilmu Pendidikan, [S. l.], v. 16, n. 2, p. 144–153, 2024. DOI: 10.21831/jpipfip.v16i2.60041. Disponível em: https://journal.uny.ac.id/index.php/jpip/article/view/60041. Acesso em: 20 may. 2025.