References
- Barrows H. S. Problem-Based Learning in Medicine, Education Monograph 4. McMaster University, Hamilton 1973
- Elstein A. S., Shulman L. S., Sprafka S. A., et al. Medical Problem Solving: An Analysis of Clinical Reasoning. Harvard University Press, Cambridge, Massachusetts 1978; 77, 93, 168, 199, 273
- Oppenheim A. N. Questionnaire Design and Attitude Measurement. Basic Books Incorporated, New York 1966; 73–78, 151-154
- Webb E. J., Campbell D. T., Schwartz R. D., Sechnest L. Unobtrusive Measures: Nonreactive Research in Social Sciences. Rand McNally, Chicago 1966; 12–34