Van Dine, D. L. 1916. The relation of malaria to crop production. Scientific Monthly November:431-439.
Walsh, J. A., and K. S. Warren. 1979. Selective primary health care: an interim strategy for disease control in developing countries. New England Journal of Medicine 301:967-974.
Wernsdorfer, G., and W. H. Wernsdorfer. 1988. Social and economic aspects of malaria and its control. Pp. 1421-1471 in Malaria, Principles and Practice of Malariology, Wernsdorfer, W. H., and I. McGregor, eds. New York: Churchill Livingstone.