Yamada Y and T Sueyoshi (1995). ?DEA/DR Method for DMU Classification (in Japanese).” Operations Research: Communications of Operations Research Society of Japan 40(12): 696-700.
Yamada Y and T Sueyoshi (1995). ?DEA/DR Method for DMU Classification (in Japanese).” Operations Research: Communications of Operations Research Society of Japan 40(12): 696-700.