TY  - BOOK
AU  - Fagan, Margaret,
AU  - Andrews, Marilyn,
TI  - Challenge for change: geographical approaches to selected world issues 
SN  - 0070824630
PY  - 1977///
CY  - Toronto, New York
PB  - Mcgraw-Hill Ryerson
KW  - Population
KW  - Food supply
KW  - Economic geography
N1  - Includes bibliographical references and index
ER  -