21. Invisible web

by Sherman, Chris | Price, Gary.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: New Jersey: Cyberage Books, 2001Availability: Items available for loan: [Call number: 025.04 SHE] (1).
22. Mobile search behaviors : an in-depth analysis based on contexts, apps, and devices

by Wu, Dan.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: California: Morgan & Claypool Publishers, 2018Availability: Items available for loan: [Call number: 025.0425 WUD] (1).

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