. . "Voedingshygiëne. Dieet." . . "Didactiek van de maatschappelijke vorming." . . . . . . "Hunger : the world food crisis" . . "Hunger : the world food crisis"@en . . . "Hunger, the world food crisis : an NSTA environmental materials guide" . "Hunger: The World Food Crisis. an Nsta Environmental Materials Guide"@en . . . . "Guides - General"@en . . . . "This document provides a materials guide containing annotated bibliographies of literature for teachers and students, a film guide, and a curriculum materials guide for educational sources relating to hunger, food, and the world food crisis. Materials span the range from pre-school to grade 12. (sl)."@en . . . "Bibliography"@en . "Directories" . "Bibliography" . "Film catalogs" . "Bibliografie" . . . . . . "Catalogs"@en . "Catalogs" . "National Science Teachers Association, Washington, Dc." . .