MAILANI, Elvi; NADIA, Sarah; SEPTIANDARI, Aurelia; PASHA, Nazwa; TARIGAN, Yobel; PRAYENTA, Abraem. “Analisis Kesulitan Siswa Kelas II dalam Melakukan Penjumlahan dan Pengurangan Bilangan Ratusan di SDN Pelangi”. Indonesian Journal of Innovation Multidisipliner Research, [S. l.], v. 4, n. 3, p. 5463–5469, 2026. DOI: 10.69693/ijim.v4i3.1074. Disponível em: https://multidisipliner.org/ijim/article/view/1074. Acesso em: 10 oct. 2026.