WIJAYANTO, C. R.; SUTRISNO, S.; MUSHAFANAH, Q. Keefektifan Model Group Investigation Materi Keliling dan Luas Bangun Datar Terhadap Hasil Belajar. Jurnal Pedagogi dan Pembelajaran, [S. l.], v. 2, n. 2, p. 211–222, 2019. DOI: 10.23887/jp2.v2i2.17911. Disponível em: https://ejournal.undiksha.ac.id/index.php/JP2/article/view/17911. Acesso em: 4 may. 2024.