Directory of free and inexpensive environmental education publications
Subtitle: two hundred publications reviewed by elementary and secondary teachers in environmental education programs conducted at the University of Toledo
By: [by] Jerry L. Underfer.
Published: 1974
Place of publication: [Toledo
Language: eng
Number of pages: 44
Subjects: Pollution -- Bibliography.; Ecology -- Bibliography.; Conservation of natural resources -- Bibliography.; Free material -- Catalogs.; Teaching -- Aids and devices -- Catalogs.