@article{lima-silva_barbosa_zumkeller_verga_prata_cardoso_moraes_brucki_2021,  title={Cognitive training using the abacus: a literature review study on the benefits for different age groups},  volume={15},  ISSN={1980-5764},  url={https://doi.org/10.1590/1980-57642021dn15-020014},  DOI={10.1590/1980-57642021dn15-020014},  number={2},  journal={Dementia & Neuropsychologia},  publisher={Academia Brasileira de Neurologia, Departamento de Neurologia Cognitiva e Envelhecimento},  author={Lima-Silva, Thais Bento and Barbosa, Maurício Einstoss de Castro and Zumkeller, Mariana Garcia and Verga, Cássia Elisa Rosseto and Prata, Patrícia Lessa and Cardoso, Neide Pereira and Moraes, Luiz Carlos de and Brucki, Sonia Maria Dozzi},  year={2021},  month={Apr},  pages={256–266} }