Kim, S. Y., H. bin O, P. Lee, and Y.-S. Kim. “Addition of Firik Improves the Antioxidant and Quality Characteristics of Steamed Rice Cake (Sulgidduk)”. Progress in Nutrition, Vol. 21, no. 2, June 2019, pp. 430-9, doi:10.23751/pn.v21i2.7665.