00494nus2a2200205 i 450 CFI000185720201210232227.00248-3599SBN19851007f ||||0itac50 bafrbzu |||||||Fleurus idées. Savoir créerParisFleurus[1976?]-.Fleurus ideesSBL0630898SBL0630898Fleurus ideesITIT-FI009819851007 CFCOCO