MARR, M. J. Selection is a Mechanism: Commentary on Leão & Neto. Mexican Journal of Behavior Analysis, [S. l.], v. 44, n. 2, 2018. DOI: 10.5514/rmac.v44.i2.68543. Disponível em: https://revistas.unam.mx/index.php/rmac/article/view/68543. Acesso em: 5 may. 2024.