When Subordinates Become IT Contractors: Persistent Managerial Expectations in IT Outsourcing. - Violet T. Ho; Soon Ang; Detmar W. Straub (Inf. Syst. Res., 2003)

With a Little Help from My Friends (and Substitutes): Social Referents and Influence in Psychological Contract Fulfillment. - Violet T. Ho; Laurie L. Levesque (Organ. Sci., 2005)