Ed ERES
Ed. Eres , Paris, 2003
Editions du CTHS - Paris 1992 - 425 p.
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
Ed. L'Harmattan, 2006, ISBN 2-296-01824-6, 274 pages