BARUS, Rehulina; SITOMPUL, Aida Fitriani. PENGARUH MODEL GROUP INVESTIGATION (GI) TERHADAP KETERAMPILAN PROSES SAINS SISWA SMA PADA MATERI SISTEM EKSKRESI MANUSIA. Jurnal Pelita Pendidikan, [S. l.], v. 5, n. 2, 2017. DOI: 10.24114/jpp.v5i2.7547. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/pelita/article/view/7547. Acesso em: 4 jul. 2025.