1. A. Ballester-Bolinches, R. Esteban-Romero, Y. Li, A question on partial CAP-subgroups of finite groups, preprint.
2. Classes of Finite Groups;Ballester-Bolinches,2006
3. Local embeddings of some families of subgroups of finite groups;Ballester-Bolinches;Acta Math. Sin. (Engl. Ser.),2009
4. On second maximal subgroups of Sylow subgroups of finite groups;Ballester-Bolinches;J. Pure Appl. Algebra,2011
5. On minimal subgroups of finite groups;Ballester-Bolinches;Acta Math. Hungar.,1996