ERNA WULANDARI; MARITA IKA JOESIDAWATI; PUJI SRI HANDAYANI. Implementasi Lesson Study Menggunakan Model Problem Based Learning Berbantuan Snowball Throwing untuk Meningkatkan Hasil Belajar IPAS Kelas 4 Sekolah Dasar. Jurnal Penelitian Pendidikan Indonesia (JPPI), Indonesia, v. 2, n. 3, p. 348–357, 2025. DOI: 10.62017/jppi.v2i3.4349. Disponível em: https://jurnalistiqomah.org/index.php/jppi/article/view/4349.. Acesso em: 17 jul. 2025.