6Hunt James B.,Tiemey Thomas J.,CarruthersGarry. American Higher Education:How Does It Measure Up for the 21st Century? National Center Report Number 06-02 [J]. Higher Education Policy Institute, National Center for Public Policy and Higher Education (HEP1),2006, (8) : 23.
7Cheng,David X.,Alcantara Lucia. Assessing working students' college experiences:a grounded theory approach [J]. Assessment & Evaluation in Higher Education,2007, (4) :301-311.
8Gravois John. Tracking the Invisible Faculty[J]. Chronicle of Higher Education,2006, (12):1-2.
