やさしいQC七つ道具
By: Ishihara Katsuyoshi ... [et. al.] kyōcho
Edition: Dai 1-han.
Publisher: Nihon Kikaku Kyōkai
Published: 1980
Place of publication: Tōkyō
Language: jpn
Number of pages: 248
Other titles: Yasashii QC nanatsu dōgu