Koetcha Kyosu ŭi chejadŭl
Subtitle: SOS-rŭl tʻajŏn hara
By: Sin Hyŏn-sik yŏkkŭm
Publisher: Segi Munhwasa
Published: 1987
Place of publication: Sŏul
Language: kor
Number of pages: 233
Subjects: Correspondence; Students; Teachers; Biography