TY  - JOUR
AU  - Koshiba, Tatsumi
AU  - Tanaka, Masayasu
TI  - Evaluation of the Added Functions Based on Concept Engineering
T2  - The journal of commerce
SN  - 02867702
PY  - 2000
DA  - 2000/03/00
VL  - 41
IS  - 5
SP  - 213-231
UR  - http://ci.nii.ac.jp/naid/110000232312/en/
ER  -