Gregory Robert J Human ecology and community Gregory Robert J - Delhi Kamla-Raj Enterprises 2003 - 107p. cm. Includes bibliographical references.; Index 105-107p. ISBN: 8185264325 (hbd) Standard No.: 10968 Source: Kamal-Raj, Textual Subjects--Topical Terms: Human ecologyAnthropology Dewey Class. No.: Y7:(G:5), P3;2