TY  - BOOK
AU  - Hasan Zubair
TI  - Theory of Profit
SN  - 0 7069 0353 6
U1  - "X:328, L5" 
PY  - 1975///
CY  - Delhi
PB  - Vikas       
KW  - Profit
N1  - Bibliography:p173-77
ER  -