id: 50101020 dt: j an: 50101020 au: Wei, Chiu-Chi; Chang, Houn-Wen ti: A new approach for selecting portfolio of new product development projects so: Expert Syst. Appl. 38, No. 1, 429-434 (2011). py: 2011 pu: la: EN cc: ut: ci: li: doi:10.1016/j.eswa.2010.06.081