- Yongju Bae, Seongjeong Kim, “On quotient structure of Takasaki quandles II”, J. Knot Theory Ramifications, 23, no. 07, 2014, 1460012

- Yongju Bae, Byeorhi Kim, “On sufficient conditions for being finite quandles”, J. Knot Theory Ramifications, 28, no. 13, 2019, 1940011
