Cheongju or Chongju (chông´jōō´), city (1995 pop. 531,195), capital of North Chungcheong prov., W central South Korea. It is a transportation hub and a marketing and processing center for the surrounding agricultural region. Electronic and electrical products, metal products, petrochemicals, ceramics, and consumer goods are the city's main manufactures.
"Cheongju." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (January 19, 2019). https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/cheongju
"Cheongju." The Columbia Encyclopedia, 6th ed.. . Retrieved January 19, 2019 from Encyclopedia.com: https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/cheongju