Marhamah. “Peningkatkan Hasil Belajar Siswa Pada Mata Pelajaran Matematika Materi Integral Melalui Penerapan Model Group Investigation”. Jurnal Kinerja Kependidikan (JKK): Facilities of Educator Career and Educational Scientific Information 2, no. 4 (May 18, 2022): 779–798. Accessed December 2, 2024. https://journalserambi.org/index.php/jkk/article/view/127.