Chellaraj, Gnanaraj The contribution of skilled immigration and international graduate students to innovation / Gnanaraj Chellaraj, Keith E. Maskus, Aaditya Mattoo - Washington,D.C. : World Bank (WB) , 2005 - 33p. ; 25 cm. - Policy Research Working Paper No. 3588 . Includes bibliographical references and index. Subjects--Topical Terms: Innovations--USAForeign studentsImmigration Gov. Doc. Class. No.: UN WB PRWP-3588