 |
 |
|
|
Beckmann Martin J|
: Beckmann Martin J : 1 : 5132 : 601 : 3 : |
|
Martin J. Beckmann. Some Aspects of Returns to Scale in Business Administration // The Quarterly Journal of Economics, Vol. 74, No. 3. (Aug., 1960), pp. 464-471.
(: 5132, : 601, : 3)
|