System, Environmental, and Policy Changes: Using the Social-Ecological Model as a Framework for Evaluating Nutrition Education and Social Marketing Programs with Low-Income AudiencesJournal of Nutrition Education -  Tập 33  - Trang S4-S15 - 2001
Jennifer Gregson, Susan B. Foerster, Robin Orr, Larry Jones, Jamie Benedict, Bobbi Clarke, James Hersey, Jan Lewis, Karen Zotz