장영실
Subtitle: Chʻŭgugi, Supʻyo, Mulsigye rŭl mandŭn kwahakcha
By: kŭl Cho Tae-hyŏn ; kŭrim An Pyŏng-wŏn
Series: Kyŏnjisa ŏrini wiin chŏnʾgi
Publisher: Kyŏnjisa
Published: 1983
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 93
Subjects: Scientists
Other titles: Chang Yŏng-sil