1Bowen, H. R. ( 1980 ). The costs of Higher Education [ M ]. San Francisco, London & Washington: Jossey - Bass Publishers, pp. 1 - 26.
2Romney, L. C. , Bogen, G. and Micek, S. S. ( 1979 ) Assessing Institutional Performance: The Importance of Being Careful [ J ]. International Journal of Institutional Management in Higher Education. May, Vol. 3 ,No. 1.
3Verry, D. W. & Layard, P. R. ( 1975 ). Cost Functions for University Teaching and Research [ J ]. The Economic Journal. 85, 55 - 74.