Henklain MHO, Carmo J dos S. Stimulus Equivalence and Increase of Correct Responses in Addition and Subtraction Problems. Paidéia (Ribeirão Preto) [Internet]. 2013 Sep. 1 [cited 2025 Feb. 16];23(56):349-58. Available from: https://journals.usp.br/paideia/article/view/75849