Simulation as a pedagogical tool for managerial decision-making in a transition economy. - David L. Olson; Margaret F. Shipley; Madeline Johnson; Petya Dimitrova; I. Marchevski; I. Stoykov; Nikola Yankov (J. Oper. Res. Soc., 2006)

Capturing the high-risk environment of the transition economy in Bulgaria - a simulation-based DSS. - David L. Olson; Margaret F. Shipley; Madeline Johnson; Nikola Yankov (Decis. Support Syst., 2007)

A fuzzy approach for selecting project membership to achieve cognitive style goals. - Margaret F. Shipley; Madeline Johnson (Eur. J. Oper. Res., 2009)

A fuzzy attractiveness of market entry (FAME) model for market selection decisions. - Margaret F. Shipley; Madeline Johnson; Lucille Pointer; Nikola Yankov (J. Oper. Res. Soc., 2013)