Manurung, Lengsi. “Pembelajaran Metode Cooperative Learning Mata Pelajaran IPS Pada Siswa SMP Tunas Harapan Jaya”. Jurnal Ilmiah Wahana Pendidikan 6, no. 4 (August 24, 2021): 1106-1110. Accessed April 28, 2026. https://jurnal.peneliti.net/index.php/JIWP/article/view/884.