SYIFA, Ulya Zainus; SULIANTO, Joko; WATIMAH, Sri. 249. Upaya Peningkatan Keaktifan dan Hasil Belajar Tematik Melalui Pendekatan Problem Based Learning Siswa Kelas II SD. Prosiding Seminar Nasional Pendidikan Profesi Guru, [S. l.], v. 1, n. 1, p. 2210–2218, 2023. Disponível em: https://conference.upgris.ac.id/index.php/psnppg/article/view/4316. Acesso em: 28 apr. 2025.