Ed ERES
Ed. Eres , Paris, 2003
Ed. PUF. La Nouvelle Encyclopédie Diderot, Paris, 1992. 289 p.
Published by the Elmwood Institute, Berbeley, CA 94705. Edited by "Systems Education Research", Olympia, Wa 98502, first édition, winter 1990 104 pages.
Ed. Erès, 2003, ISBN : 2749201187 243 pages
(préface de M. Bem). Ed. L'Harmattan. Paris, 1994. 253 p.
Ed. L'Harmattan, 2006, ISBN 2-296-01824-6, 274 pages