Johnson, R. T., University of Hawaii at Manoa, & Center for Youth Research. (1995). Parents as First Teachers: Final evaluation. State of Hawai`i, Department of Health, Healthy Start Program. Honolulu: Social Science Research Institute, Center for Youth Research, University of Hawaii.
Design unclear or unknown
Affonso, D. D., & Doran, D. (2002). Cultivating discoveries in patient safety research: A framework. International Nursing Perspectives, 2(1), 33–47.
Lutzker, J. R. (2006). Preventing violence research and evidence-based intervention strategies. Washington, D.C: American Psychological Association.
Dangel, R. F., & Polster, R. A. (1984). Parent training : Foundations of research and practice. New York: Guilford Press.