Ŏllonhak kaeron
Subtitle: maesŭmiitiŏ chonghap yŏnʼgu
By: Kwak Pok-san pʻyŏnjŏ
Publisher: Ilchogak
Published: 1971
Place of publication: [Sŏul]
Language: kor
Number of pages: 375
Subjects: Communication
Notes: Includes bibliographical references.