제4차 충청북도 종합계획 2021-2040
By: .
Publisher: Ch'ungch'ŏng-bukto
Published: 2021
Place of publication: Ch'ŏngju
Language: kor
Other titles: Che 4-ch'a Ch'ungch'ŏng-bukto chonghap kyehoek 2021-2040