PDF(517 KB)
Database Tiered Pricing Models and the Rights Protection Problems of their Applications
Wang Fang Wu Yuxia Wan Ling
Library and Information Service ›› 2010, Vol. 54 ›› Issue (15) : 31-34,85.
PDF(517 KB)
PDF(517 KB)
Database Tiered Pricing Models and the Rights Protection Problems of their Applications
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