(Praxiology, vol. 3). The Transaction Pub., New Brunschwig, New Jersey, USA, 1995. 463 pages.
Ed. Hermès. Paris, 1995. 134 pages.
Ed. Hermès, Paris, 1990, 401 p.
Ed. INRA-SAD, Paris, 1993. 334 p.
Ed. Hermès, Paris 1993. 206 p.
Revue Economie Rurale, (SFER), Paris 1990