Alcalá, E. ., I. . Márquez, E. . Lara, F. . Cabrera, and J. . Buriticá. “Time Allocation of Responding or Not-Responding in a Contingency Degradation Procedure”. 2023. Mexican Journal of Behavior Analysis, vol. 49, no. 1, Aug. 2023, doi:10.5514/rmac.v49.i1.86202.