2Bruce, S.M.and T.T.Hwang (2001)Web-based teacher preparation in visual impairment: course development, teaching, learning, and quality assurance, Journal of Visual Impairment & Blindness, 95(10),609-622.
3Carr-Chellman, A.and P. Duchastel (2000)The ideal online course,British Journal of Educational Technology, 31(3),229-41.
4Firdyiwek, Y.(1999)Web-based courseware tools:where is the pedagogy?, Educational Technology, 39(1),29-34.
5Janicki, T. and J. O. Liegle(2001)Development and evaluation of a framework for creating web-based learning modules:a pedagogical and systems perspective, Journal of Asynchronous Learning Networks, 5(1).
6Jung, I.(2001) Building a theoretical framework of web-based instruction in the context of distance education, British Journal of Educational Technology, 32(5),525-534.
7Khan, B. H. (1997)Web-based instruction(WBI):what is it and why is it?, in B. H. Khan(Ed.), Web-based Instruction, New Jersey: Educational Technology Publications, 5-18.
8Levin, J., S. R. Levin, et a1.(1999) Multiplicity in learning and teaching: a framework for developing innovative online education, Journal of Research on Computing in Education 32(2),256-69.
9Mason, R.(1998)Models of online courses, ALN Magazine.2.
10Mioduser, D., R.Nachmias, et al.(2000)Web-based learning environments:current pedagogical and technlolgical state, Journal of Research on Computing in Education, Fall2000, Vol. 33, Issue 1, 55-77.