Environmental education module for in-service training of social science teachers and supervisors for secondary schools - UNESCO Paris 1985 - 125 - Teaching Methodologies Environmental Dimension - Environmental education series 10 . = UNESCO Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: 5530 Nat. Bib. Agency Control No.: 577.4:37UNE Subjects--Topical Terms: EnvironmentEducation Universal Decimal Class. No.: 577.4:37