Date of Publication:2007-01-01 Hits:
Affiliation of Author(s):经管学院
Journal:重庆邮电大学学报（自然科学版）
Document Code:y3hsyrb2-yl9s-hkjv-myyi-f33wydgwfa6l
Volume:19
Page Number:138-139
ISSN No.:1673-825X
Translation or Not:no
Date of Publication:2007-01-01
Date of Publication:2007-01-01