[1]
Pérez Manrique, T.P., Rodríguez Castellanos, A.M. and Tirano Millan, M.I. 2009. Cooperation in children, siblings and not biologically related, exposed to reciprocal contingencies. Revista Iberoamericana de Psicología. 2, 1 (Jun. 2009), 31–38. DOI:https://doi.org/10.33881/2027-1786.rip.2103.