Almuayqil, S., Atkins, A.S. and Sharp, B. (2015) Integrated Framework of Knowledge Management and Knowledge Discovery to Support E-Health for Saudi Diabetic Patients. International Journal on Advances in Life Sciences, 7, 111-121.
 Wang, H. (1997) Treatment of “Don’t-Know” Responses in Contingent Valuation Surveys: A Random Valuation Model. Journal of Environmental Economics and Management, 32, 221.
 Colman, A., Morris, C. and Preston, C. (1997) Comparing Rating Scales of Different Lengths: Equivalence of Scores from 5-Point and 7-Point Scales. Psychological Reports, 80, 355-362.
 Altuwaijri, M. (2011) Implementation of Computerized Physician Order Entry in National Guard Hospitals: Assessment of Critical Success Factors. Journal of Family and Community Medicine, 18, 143-151.
 Khalifa, M. (2013) Barriers to Health Information Systems and Electronic Medical Records Implementation. A Field Study of Saudi Arabian Hospitals. Procedia Computer Science, 21, 335-342.