TY - BOOK ED - Didinger, John F. ED - Lee, Bevly M. TI - Directory of projects and programs in environmental education for elementry and secondary schools T2 - Environmental education information reports U1 - 333.702573 PY - 1973/// CY - Ohio PB - Eric Information Analysis Centre for Science Mathematics & Environmental Education KW - Environmental science--Study and teaching(Secondary)--Projects and programs--Directories KW - Environmental education --Projects and programs--Directories N1 - Library has 4th,5th ed. also; compiled by John F. Disinger ER -