YU, H. Y.; RUA, H. T. AN INVESTIGATION OF RESEARCH ON EVOLUTION OF ALTRUISM USING INFORMETRIC METHODS AND THE GROWING HIERARCHICAL SELF-ORGANIZING MAP. Malaysian Journal of Library & Information Science, [S. l.], v. 15, n. 3, p. 1–17, 2010. Disponível em: https://mjlis.um.edu.my/index.php/MJLIS/article/view/6938. Acesso em: 2 jul. 2022.