Munhŏn e ttarŭn kŭndae t'ongsin (uch'e, chŏnsin, chŏnhwa) yŏksa
By: Yi Pong-jae chiŭm
Edition: Ch'op'an
Publisher: Jinhan M&B
Published: 2019
Place of publication: Sŏul-si
Language: kor
Number of pages: 281
ISBN-13: 9791129009661
Subjects: Telecommunication; History; Telephone; Postal service
Other titles: Kŭndae t'ongsin (uch'e, chŏnsin, chŏnhwa) yŏksa