zainidar, zainidar. “Effect of Jigsaw Type Cooperative Learning Model on Mathematics Learning Results of Grade II Students SDN 20 Situng: Pengaruh Model Pembelajaran Kooperatif Tipe Jigsaw Terhadap Hasil Belajar Matematika Siswa Kelas II SDN 20 Situng”. Journal of Vocational Education and Information Technology (JVEIT) 1, no. 2 (October 5, 2020): 65–70. Accessed August 3, 2025. https://ejournal.undhari.ac.id/index.php/jveit/article/view/91.