“PENINGKATAN KREATIVITAS DAN HASIL BELAJAR IPA SISWA KELAS 5 SD TARUNA BANGSA MELALUI PENDEKATAN PROBLEM BASED LEARNING” (2017) JURNAL HANDAYANI PGSD FIP UNIMED, 7(2), pp. 77–83. doi:10.24114/jh.v7i2.7238.