Kang, M. C.M. C.Kang2010-05-162018-06-282010-05-162018-06-281991http://ntur.lib.ntu.edu.tw//handle/246246/183308application/pdf1381962 bytesapplication/pdfen-USjournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/183308/1/24.pdf