ANAND, T. A. N. Optimization Of Cooperative Learning Model Number Heads Together To Improve Understanding Of Mathematical Sentence Concepts In Grade IV Elementary School Students. JURNAL PENDIDIKAN DASAR NUSANTARA, [S. l.], v. 10, n. 2, p. 396–408, 2025. DOI: 10.29407/jpdn.v10i2.24026. Disponível em: https://ojs.unpkediri.ac.id/index.php/pgsd/article/view/24026. Acesso em: 5 feb. 2025.