On consecutive edge magic total labelings of connected bipartite graphs. - Bumtle Kang; Suh-Ryung Kim; Ji Yeon Park (J. Comb. Optim., 2017)

On safe sets of the Cartesian product of two complete graphs. - Bumtle Kang; Suh-Ryung Kim; Boram Park (Ars Comb., 2018)

Counting independent sets in Riordan graphs. - Gi-Sang Cheon; Ji-Hwan Jung; Bumtle Kang; Hana Kim; Suh-Ryung Kim; Sergey Kitaev; Seyed Ahmad Mojallal (Discret. Math., 2020)

Structural properties of Toeplitz graphs. - Seyed Ahmad Mojallal; Ji-Hwan Jung; Gi-Sang Cheon; Suh-Ryung Kim; Bumtle Kang (Discret. Math., 2022)