TY  - BOOK
AU  - Diulio, Eugene A.
AU  - Salvatore, Dominick
TI  - Schaum's outline of principles of economics
SN  - 0070587221
U1  - 330 SAL 
PY  - 2004///
CY  - New Delhi
PB  - Tata McGraw Hill
KW  - Economics -- Outlines, syllabi, etc
KW  - Lung diseases -- Chemically induced
KW  - Lung Neoplasms -- chemically induced
KW  - Occupational exposure
KW  - Silicon Dioxide -- adverse effects
N1  - Gratis by Dr. R. H. Dholakia; The Economic Problem
ER  -