Multi-factor agricultural productivity and convergence in Botswana, 1981-96 /
Piesse, J.(Jenifer)
University of London.
Birkbeck College.School of Management and Organizational Psychology.
London : Birkbeck, University of London, School of Management and Organizational Psychology,
[2001?].
Cover title.
Bibliography: p.23-24.
Agricultural productivity
Convergence (Economics)