TY  - BOOK
AU  - Hungerford, Harold. R.
AU  - Peyton, Robert. Ben.
TI  - Procedures for developing an evvironmental education curriculum: Unesco UNEP International Environmental Education Programme
U1  - 375 HUN 
PY  - 1986///
CY  - USA
PB  - Michigan State University
KW  - Procedures for developing an evvironmental education curriculum
ER  -