Ningsih, S.; Jailani, M. Upaya Meningkatkan Hasil Belajar Ips Peserta Didik Melalui Penerapan Metode Kerja Kelompok Kelas VII Pada SMP PGRI Tumbang Mirah Kecamatan Katingan Tengah: Efforts to Improve Learning Outcomes of Ips Students Through the Application of Working Methods of Class VII Groups in the Tumbang Mirah Middle School PGRI in Central Katingan District. Neraca J Pendidikan Ekonomi 2019, 4, 1-5.