WAHYUNINGSIH, I. PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE GROUP INVESTIGATION TERHADAP HASIL BELAJAR IPA. Natural: Jurnal Ilmiah Pendidikan IPA, [S. l.], v. 4, n. 1, p. 26–33, 2017. DOI: 10.30738/natural.v4i1.1861. Disponível em: https://jurnal.ustjogja.ac.id/index.php/NATURAL/article/view/1861. Acesso em: 7 oct. 2022.