Hean Tat K and C Singfat (2003). “Retail Productivity and Scale Economies at the Firm Level: A DEA Approach.” Omega 31(2): 75-82.
Hean Tat K and C Singfat (2003). “Retail Productivity and Scale Economies at the Firm Level: A DEA Approach.” Omega 31(2): 75-82.