Sang-un Chŏn

• A history of science in Korea
• Hanʾguk kwahaksa ŭi saeroun ihae
• A history of Korean science and technology
• Hanʼguk kwahak kisulsa
• Hanʼguk kwahaksa
• Hanʼguk ŭi kwahak munhwajae
• Hanʾguk kwahak kisul sa
• Hanʾguk kwahak kisulsa
• Hanʾguk ŭi kwahaksa
• Irobŏrin chang
• Iyagi Hanʼguk kwahaksa
• Kankoku kagaku gijutsu shi