Strategies for developing an environmental education curriculum a discussion guide for Unesco training workshops on environmental education - Hungerford, Harold R.; Unesco. National Educational, Scientific and Cultural Organization (Bangkok Unesco, Regional Office for Education in Asia and Oceania, 1980)
At head of title: Unesco National Educational, Scientific and Cultural Organization.
"This document has been prepared under Unesco conract no. 206. 517 by Dr. Harold R. Hungerford ..."--T.p.
Keywords: Environmental education -- Curricula