湯明哲2020-03-162020-03-161996https://ntu.primo.exlibrisgroup.com/permalink/886NTU_INST/14poklj/alma991007758739704786https://scholars.lib.ntu.edu.tw/handle/123456789/476234The impact of diversification on competition in high-tech industries多角化策略對高科技產業競爭之影響report