Ri, Kwang Il books & textbook
El destino del hombre y la filosofía Juche (Idea Juche) (Spanish Edition)
Kwang Il, Ri Kwang Il, Ri Chol Kwang, An Myong Song, Han ESPAÑA, KFA
Independently published /2022-08-17 Paperback / 95 Pages
Improvement of Approximation Method for Constant and Special Function
Ri, Kwang Il Yu, Jin Song Kim, Hyon Chol
Scholars' Press /2022-12-02 Paperback / 144 Pages
isbn-10: 6138973380 / isbn-13: 9786138973386
