TY  - BOOK
AU  - Knowles R
AU  -  Wareing J
TI  - Economic and social geograhy: Made simple   
T2  - Made simple Books
U1  - U6, M1 
PY  - 1981///
CY  - London
PB  - Heinemann UK         
KW  - Economic  Geography
N1  - Bib chapterwise
ER  -