1. costs to implement a 3-condition, substance use and sexual risk prevention program in Cape Town, South Africa Open Access Author: Doyle, Mary Claire Title: costs to implement a 3-condition, substance use and sexual risk prevention program in Cape Town, South Africa Area of Honors: Human Development and Family Studies Keywords: human servicepreventionhealthleisureeconomic cost analysis File: Download Mary_Claire_Doyle_Thesis.pdf Thesis Supervisors: Linda L Caldwell, Thesis SupervisorCharles Geier, Thesis Honors Advisor