1. The Practice of Social Research;Babbie,2004
2. Fundamentals of Research Methodology for Health Care Professionals;Brink,2006
3. The Practice of Nursing Research, Conduct, Critique and Utilization;Burns,2005
4. Endangering safe motherhood in Mozambique: prenatal care as a pregnancy risk;Chapman;Social Sciences and Medicine,2003
5. Traditional practices of women from India: pregnancy, childbirth, and new-born care;Choudhry;Journal of Obstetric, Gynecologic, and Neonatal Nursing,1997