Husnul Khatimah et al. 2024. Meningkatkan Aktivitas Belajar Lisan Mahasiswa PGSD Menggunakan Metode Group Investigation. Celebes Journal of Elementary Education. 2, 2 (Dec. 2024), 101–109. DOI:https://doi.org/10.31605/cjee.v2i2.4349.