Paris, L'Harmattan, 1997, 184 p.
Ed. Fondation Archives Jean Piaget, Genève 1991 - 215 p
Paris, L'Harmattan, 1996, 199 pages. (Collection "Cognition et Formation").
(Praxiology, vol. 3). The Transaction Pub., New Brunschwig, New Jersey, USA, 1995. 463 pages.