1.
Oxford : Oxford University Press, 2008.
Volume 11
English | B 430 FRE.L | Available |
2.
Paris : Institut national de la recherche agronomique, c1991.
French | S 14 CHA.G | Available |
3.
Paris, France : Organisation for Economic Co-Operation and Development, 1993.
English | G 252 OECD.S | Available |
4.
5.
6.
7.
8.
9.
10.
Boston : Kluwer Academic Publishers, c2002.
English | G 252 SWA.E | Available |