Urban environmental studies
By: School District of the City of Allentown.
Series: Kraus curriculum development library -- SOCK-102.
Publisher: The District
Published: 1984
Place of publication: [Allentown, PA]
Language: eng
Format: Microform
Number of pages: 196
Subjects: Science; Ecology; Human ecology
Notes: Microfiche. White Plains, N.Y. : Kraus International Publications, 1987. 2 microfiches. (Kraus Curriculum Development Library ; SOCK-102).