Alim, Muhammad Haidar, and Feri Tirtoni. “Pengaruh Strategi Pembelajaran Koperatif Tipe Investigasi Terhadap Hasil Belajar PKn Siswa Kelas VI SD”. Journal of Education Research 4, no. 3 (September 9, 2023): 1350–1359. Accessed August 23, 2025. https://mail.jer.or.id/index.php/jer/article/view/282.