SIAGIAN, Christien R.; SIMAMORA, Aprido; SIAHAAN, Fine Eirene. Pengaruh Model Pembelajaran Group Investigation Terhadap Hasil Belajar Kognitif IPA Siswa Kelas VI SDN 098164 Dolok Parmonangan T.A 2023/2024. Innovative: Journal Of Social Science Research, [S. l.], v. 3, n. 6, p. 9488–9500, 2023. DOI: 10.31004/innovative.v3i6.7670. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/7670. Acesso em: 13 sep. 2026.