Yantai jing ji ji shu kai fa qu gong shang xing zheng guan li zhi, 1984-2008China). Gong shang xing zheng guan li ju. Jing ji ji shu kai fa qu fen ju Yantai (Shandong Sheng · First published 2010Open the Tome
Zheng He yuan hang yu shi jie wen mingZheng He yuan hang yu shi jie wen ming ji ji nian Zheng He xia xi yang 600 zhou nian xue shu yan tao hui (2004 Beijing da xue) · First published 2005Open the Tome
