fruit drinks, snack foods and cereals and sold on their own to be baked into cookies and sprinkled on yogurt. ..." ^ Chia Pet | Arts & Culture | Smithsonian
Encyclopedia of Korean Culture. Academy of Korean Studies. 19 June 2017閲覧。 ^ Neff, Robert (6 January 2016). “[Joseon Images Snack peddlers popular to Westerners