Smith, P. G. M. (1996). Field trials of health interventions in developing countries: A toolbox (2nd- ed.). Macmillan Education Ltd.
Citace podle Chicago (17th ed.)Smith, Peter G. Morrow. Field Trials of Health Interventions in Developing Countries: A Toolbox. 2nd- ed. London: Macmillan Education Ltd, 1996.
Citace podle MLA (8th ed.)Smith, Peter G. Morrow. Field Trials of Health Interventions in Developing Countries: A Toolbox. 2nd- ed. Macmillan Education Ltd, 1996.
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