Bernardes de Moraes, Thiago Perez y dos Santos Millani, Felipe. 2015. Altruism and evolutionary pahway. A review on the evolution of altruistic behaviour. Nómadas. Critical Journal of Social and Juridical Sciences 42, 2, 5–19. DOI:https://doi.org/10.5209/rev_NOMA.2014.v42.n2.48782