We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleResearch steps in the development and evaluation of public health interventions.Authorsde Zoysa, I.; Habicht, J.-P.; Pelto, G.; Martines, J.PublicationBulletin of the World Health Organization, 1998, Vol 76, Issue 2, p127ISSN0042-9686Publication typearticle