Korea, Publishers: Si-sa-yong-o-sa Publ. [u.a.], 1983.

1983

The Si-sa-yong-o-sa Publishers, Inc., Korea Pace International Research, Inc., U.S.A

1983

The Si-sa-yong-o-sa Publishers, Inc.. Korea

Seoul [u.a.], Publishers: Si-sa-yong-o-sa Publ. [u.a.], 1983.

Seoul [u.a.], Publishers: Si-sa-yong-o-sa Publ. [u.a.], 1983.