Seong-Man Choi Chang-Mog Lee Cheol-Jung Yoo Ok-Bae Chang Design and Implementation of UML Based Mobile Integrated Management System. 43-48 2005 conf/ACISicis/2005 ACIS-ICIS http://doi.ieeecomputersociety.org/10.1109/ICIS.2005.48 db/conf/ACISicis/ACISicis2005.html#ChoiLYC05