[1]
Pulido Rull, M.A., Hernández, C., Peña, L.M., Ponce, N.M. and Rebolledo, M. 2010. The Operant Conditioning of Letter String Problem Solving. Mexican Journal of Behavior Analysis. 36, 3 (Nov. 2010), 55–76. DOI:https://doi.org/10.5514/rmac.v36.i3.21375.