Koguryŏ rŭl iŭn Parhae
By: [chŏja Chʻoe Hong-sik ; kŭrim Chʻoe Yŏng-sŏn]. 
Contributors: Chʻoe, Yŏng-sŏn
Series: Kŭrim ŭro pon Chosŏn yŏksa -- 43-kwŏn. -- Parhae pʻyŏn -- 2
Publisher: Chosŏn Chʻulpʻanmul Suchʻuripsa
Published: 2006
Place of publication: [Pʻyŏngyang]
Language: kor
Number of pages: 208
Subjects: Juvenile literature; History