Title: Illyŏk chawŏn chosa yŏnʾgu pogosŏ : Nodong chibyaksŏng, nodong saengsansŏng, chʻwiŏp kujo mit iju.
Authors: Koryŏ Taehakkyo.
Publisher: Koryŏ Taehakkyo Kiŏp Kyŏngyŏng Yŏnʾguso,
Year: 1966
Subjects: Labor supply Korea.; Unemployed Korea.; Labor productivity Korea.