1
Published 1991
World Bank

2
Published 1991
World Bank

3
Published 1991
World Bank

4
Published 1991
World Bank

5
by Farvacque-Vitkovic, Catherine
Published 1992
World Bank

6
by Anderson, Jock R.
Published 1990
World Bank

7
Published 1993
World Bank

9
by Menke, Christoph
Published 1994
World Bank

11
by Chu, H. Quan
Published 1994
World Bank

12
by Lerman, Zvi
Published 1994
World Bank

13
by Hanna, Susan
Published 1995
Beijer International Institute of Ecological Economics and The World Bank

14
by Bacon, Robert
Published 1995
World Bank

15
by Pratt, David John
Published 1997
World Bank

16
by Stassen, Hubert E.
Published 1995
World Bank

17
by Foley, Gerald
Published 1995
The World Bank

18
by Lobo, Crispino
Published 1995
World Bank

19
by Agüero, Max
Published 1996
World Bank

20
by Covarrubias, Alvaro J.
Published 1996
World Bank