NURUL HIKMAH; FERINALDI; SUGENG RIYADI. EKSPERIMENTASI MODEL PEMBELAJARAN KOOPERATIF TIPE GROUP INVESTIGATION (GI) TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA KELAS X SMK NEGERI 10 MERANGIN. Hiradika | Hira Institute, [S. l.], v. 2, n. 2, p. 98–103, 2025. Disponível em: https://jurnal.penerbithira.com/index.php/hiradika/article/view/91. Acesso em: 3 apr. 2026.