9Amy Medley, Caitlin Kennedy, Kevin O' Reilly, Michael Sweat, 2009, Effectiveness of Peer Education inter- ventions for HIV Prevention in developing countries: a systematic review and meta-analysis. AIDS Education and Prevention, 21(3), 181 - 206.
10Bond K, Wolf c. ,1998, Social Network and Peer Promotion Program: Method Logical Advances. American Public Health Association Conference, No.2, PE 56-58.