“Penerapan Model Group Investigation Dan Jigsaw Terhadap Hasil Belajar IPA Siswa Pada Materi Sistem Ekskresi Manusia Di SMP Negeri 9 Dumoga”. SCIENING : Science Learning Journal, vol. 3, no. 1, June 2022, p. 1 7, https://doi.org/10.53682/slj.v3i1.1098.