KOLAJA, J. Social organization, A general systems and role theory perspective, by Alvin I. Bertrand. The Greek Review of Social Research, [S. l.], v. 24, p. 365, 1975. DOI: 10.12681/grsr.439. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/ekke/article/view/7633. Acesso em: 1 jul. 2024.