TY - JOUR T1 - Entrepreneurship research (1985-2009) and the emergence of opportunities JF - Entrepreneurship, Theory and Practice Y1 - 2014 A1 - Busenitz,Lowell A1 - Plummer,Larry A1 - Klotz,Anthony A1 - Shahzad,Ali A1 - Rhoads,Kevin KW - Management VL - 38 U2 - a U4 - 87898216448 ID - 87898216448 ER -