Ács, Zoltán J. Entrepreneurship, growth and public policy : prelude to a knowledge spillover theory of entrepreneurship / Zoltan J. Acs. - Cheltenham, UK ; Northampton, MA : Edward Elgar, c2008. - xxii, 573 p. : ill. ; 24 cm ISBN: 9781847201164 Subjects--Topical Terms: Entrepreneurship. Subjects--Index Terms: Doanh nhân Kinh doanh Sản xuất Dewey Class. No.: 338.04 / ACS 2008