Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YAMASAKI Shigeichiro and SUGA Yuji and ARAKI Keijiro,A System Integration Model for Electric Purchase Systems and Electric Payments Systems with A Mobile Agent,IPSJ SIG Notes,09196072,Information Processing Society of Japan (IPSJ),1997-11-06,85,,127-132,https://cir.nii.ac.jp/crid/1574231876943509376,