5Firdyiwek, Y. (1999) Web-based eourseware tools: where is the pedagogy?, Educational Technology, 39(1), 29-34.
6Khan, B. H. (1997). Web-based instruction (g I31): what is it and why is it?, in B. H. Khan (Ed.), Web-based Instruction, New Jersey: Educational Technology Publications, 5-18.
7Polyson, S., Sahzberg, S., and R. Godwin-Jones. (1996). A practical guide to teaching with the World g'ide Web. <http://www.syllabus. com/archive/Syl196/08_Sept96/Feat 1TeachngWWW.txt>.
8Ross, J. L. (1998) On-line but off course: a wish list for distance educators, International Electronie Jnurnal For Leadership in Learnin, 2(3).
9P. Gu, Sosale. Product modularization for life cycle engineering[ J ].Robotics and Computer Integrated Mannufacturing, 1999
10Akao K. Quality function deployment, productivity process[M].Cambridge, MA, 1990
