ROLL, S. Conservation of number: A comparison between cultures and subcultures. Revista Interamericana de PsicologĂ­a/Interamerican Journal of Psychology, [S. l.], v. 4, n. 1, 2017. DOI: 10.30849/rip/ijp.v4i1.574. DisponĂ­vel em: https://journal.sipsych.org/index.php/IJP/article/view/574. Acesso em: 9 oct. 2024.