Ovretveit, J. (1998). Evaluating health interventions: An introduction to evaluation of health treatments, services, policies and organizational interventions (First edition.). Open University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOvretveit, John. Evaluating Health Interventions: An Introduction to Evaluation of Health Treatments, Services, Policies and Organizational Interventions. First edition. Philadelphia: Open University Press, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOvretveit, John. Evaluating Health Interventions: An Introduction to Evaluation of Health Treatments, Services, Policies and Organizational Interventions. First edition. Open University Press, 1998.
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