Amalia, R., and M. Ramli. “Upaya Meningkatkan Hasil Belajar IPS Ekonomi Menggunakan Model Pembelajaran Kooperatif Tipe Co-Op Co-Op Pada Kelas VIII IPS-2 SMP Islam Nurul Ihsan Palangka Raya: Efforts to Improve Social Sciences Learning Outcomes Using Co-Op Co-Op Cooperative Learning Model in Class VIII IPS-2 Nurul Ihsan Islamic Middle School Palangka Raya”. Neraca: Jurnal Pendidikan Ekonomi, vol. 4, no. 2, Apr. 2019, pp. 41-47, doi:10.33084/neraca.v4i2.704.