World Health Organization. (1993). Health Research Methodology: A guide for Training in Research Methods. OXFORD UNIVERSITY PRESS.
Chicago Style (17th ed.) CitationWorld Health Organization. Health Research Methodology: A Guide for Training in Research Methods. New Delhi: OXFORD UNIVERSITY PRESS, 1993.
MLA (9th ed.) CitationWorld Health Organization. Health Research Methodology: A Guide for Training in Research Methods. OXFORD UNIVERSITY PRESS, 1993.
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