Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) UEDA Nobuyuki and FURUKATA Masahiko,An Experiment of Externalization of Logical Thinking through Computer Programming,IPSJ SIG Notes,09196072,Information Processing Society of Japan (IPSJ),1998-11-13,50,,49-56,https://cir.nii.ac.jp/crid/1573387451876013824,