APA
Das Deb Kusum, University of Delhi. Faculty of Social Sciences. Department of Economics & University of Delhi. Faculty of Social Sciences. Department of Economics. (1991). Total factor productivity and technical efficiency. : .
Chicago
Das Deb Kusum, University of Delhi. Faculty of Social Sciences. Department of Economics and University of Delhi. Faculty of Social Sciences. Department of Economics. 1991. Total factor productivity and technical efficiency. : .
Harvard
Das Deb Kusum, University of Delhi. Faculty of Social Sciences. Department of Economics and University of Delhi. Faculty of Social Sciences. Department of Economics. (1991). Total factor productivity and technical efficiency. : .
MLA
Das Deb Kusum, University of Delhi. Faculty of Social Sciences. Department of Economics and University of Delhi. Faculty of Social Sciences. Department of Economics. Total factor productivity and technical efficiency. : . 1991.
