החיפוש שביצעת - information visualization protection functions case livres* - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
visualization protection » visualization perception, visualization position, visualization interaction
protection functions » protection function, protection functional, production functions
functions case » function case, functions based, functions class
livres* » lives*, livre*

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