Heuristics for parallel-machine flexible-resource scheduling problems with unspecified job assignment. - Richard L. Daniels; Stella Y. Hua; Scott Webster (Comput. Oper. Res., 1999)

Product Change Intensity in the Personal Computer Industry: A Study of Firm-Supplier Innovation. - Stella Y. Hua; Urban Wemmerlöv (IEEE Trans. Engineering Management, 2006)