Ramadhani FS, Pambudi DI, Mujirah F. Upaya Peningkatan Keaktifan Belajar Siswa Melalui Model Pembelajaran Problem Based Learning Tema 9 Benda-benda Di Sekitar Kelas V SD Negeri Tonoboyo 2 Kabupaten Magelang. CE [Internet]. 2022Jun.30 [cited 2024May18];3(1):50-7. Available from: https://pusdikra-publishing.com/index.php/josr/article/view/658