HEALTH VOCATIONAL EDUCATION, Volume 21, Issue 11,2003, Pages 121-122, doi:10.3969/j.issn.1671-1246.2003.11.088
FRIENDS OF ACCOUNTING, , Issue 11,2003, Pages 29, doi:10.3969/j.issn.1004-5937.2003.11.015
MEDICAL JOURNAL OF THE CHINESE PEOPLE'S ARMED POLICE FORCES, Volume 14, Issue 11,2003, Pages 701, doi:10.3969/j.issn.1004-3594.2003.11.035