@inproceedings{inproceedings21eaabdc,
title   = {The Learned helplessness immunization after positive reinforcement of variable or repetitive reinforcement of variable or repetitive behavior},
author = {Hunziker, Maria Helena Leite and Manfré, F. N and Yamada, M. T},
year = {2006},
booktitle   = {International Congress on Behavior Studies}
}