Sŏbisŭ nŭn irŏkʻe hara
Subtitle: kogaek manjok (CSM) sŏbis makʻetʻing
By: Kim Kyŏng-uk chiŭm
Edition: 1-pʻan
Publisher: Uadang
Published: 1992
Place of publication: Sŏul-si
Language: kor
Number of pages: 261
Subjects: Customer services; Consumer satisfaction
Notes: "Sarye ro ponŭn kopʻumwi sŏbisŭ kyobon."