WINARNI, W. Peningkatan Prestasi Belajar IPA Materi Kalor Melalui Model Group Investigation Pada Siswa Kelas VII. Education Journal : Journal Educational Research and Development, [S. l.], v. 3, n. 2, p. 171–182, 2019. DOI: 10.31537/ej.v3i2.223. Disponível em: https://jurnal.unipar.ac.id/index.php/ej/article/view/223. Acesso em: 10 mar. 2025.