Chen, S. Y. (2004). Growth and Cycle [master's thesis, National Taiwan University]. Airiti Library. https://doi.org/10.6342/NTU.2004.01907
Pang, W. S. (1999). Population growth [master's thesis, The University of Hong Kong]. Airiti Library. https://www.airitilibrary.com/Article/Detail?DocID=U0029-1812201200011023