1. Self-efficacy: Toward a unifying theory of behavioral change;Bandura;Psychological Review,1977
2. Behavioral problems of elderly Alzheimer's victims at home: Nursing response to strain of rural caregivers;Banik,1989
3. Strategies of multiple triangulation;Denzin,1989
4. Methodological triangulation: A vehicle for mereging quantitative and qualitative research methods;Duffy;Image; Journal of Nursing Scholarship,1987
5. Method triangulation to index change in clinical phenomena;Hinds;Western Journal of Nursing Research,1989