Solutions to conjectures on the (k, ℓ)-rainbow index of complete graphs. - Qingqiong Cai; Xueliang Li 001; Jiangli Song (Networks, 2013)

Rainbow connection numbers of ladders and Mobius ladders. - Qingqiong Cai; Yingbin Ma; Jiangli Song (Ars Comb., 2017)