Quan, R. J. (2010). 串聯庫存生產系統之分析:運用phase-type distribution 估計 [master's thesis, Chung Yuan Christian University]. Airiti Library. https://doi.org/10.6840/cycu201000626
Tang, H. Y. (2006). L1 effect on L2 acquisition [master's thesis, The University of Hong Kong]. Airiti Library. https://www.airitilibrary.com/Article/Detail?DocID=U0029-1812201200013863