SARI, Ria Frestika; NUGROHO, Purna Bayu. Influence of Busy Book Media on Learning Outcomes of Students with Intellectual Disabilities in Addition Operation. Kognitif: Jurnal Riset HOTS Pendidikan Matematika, [S. l.], v. 6, n. 2, p. 807–819, 2026. DOI: 10.51574/kognitif.v6i2.4631. Disponível em: https://etdci.org/journal/kognitif/article/view/4631. Acesso em: 16 jun. 2026.