کتاب های Poltorak A.i.
Essentials of Licensing Intellectual Property
Poltorak A.I., 2004
Essentials of Intellectual Property (Essentials Series)
Alexander I. Poltorak, 2002
Essentials of Intellectual Property: Law, Economics, and Strategy
Alexander I. Poltorak, 2011
Essentials of Intellectual Property (Essentials Series)
Alexander I. Poltorak, 2002
