Henklain, Marcelo Henrique Oliveira, and Joao dos Santos Carmo. “Stimulus Equivalence and Increase of Correct Responses in Addition and Subtraction Problems”.
Paidéia (Ribeirão Preto) 23, no. 56 (September 1, 2013): 349–358. Accessed April 11, 2025.
https://journals.usp.br/paideia/article/view/75849.