Zieschang, K. D. (1984). An extended Farrell technical efficiency measure. [s.n.].
Chicago Style (17th ed.) CitationZieschang, Kimberly D. An Extended Farrell Technical Efficiency Measure. [S.l.]: [s.n.], 1984.
MLA (9th ed.) CitationZieschang, Kimberly D. An Extended Farrell Technical Efficiency Measure. [s.n.], 1984.
Warning: These citations may not always be 100% accurate.