Bibliografia
Principal
- Zastrom, Charles H. (2010). The Practice of Social Work. A Comprehensive Worktext. 9th. Edition. USA. Ed. Brooks/Cole, Cengage Learning. 90 Rubin, Allen, BABBIE, Earl (2008), Research Methods for Social Work. Sixth edition. USA. Ed. Thomson Brocks/Cole. 90 Adequada ao projecto de investigação de cada doutorando. :