Maternal and Child Health: Problems, Programs, and Policy in Public Health, 4th Edition

Wingate, M. S., McDaniel, H., Brisendine, A. E., & Iruka, I. U.

Chapter 18, Research Methods. In R. S. Kirby, & S. Verbiest (Eds.) (pp. 467-493). Burlington, MA: Jones & Bartlett Learning.