English for University Students Today
Autor:Pereira Palomo, Hernán Gonzalo; Riquelme Norambuena, Michel; Escalona Castillo, Romina; Chamorro Arenas, JuanVoices for global communication
Autor:Pereira Palomo, Hernán Gonzalo; Astudillo Núñez, Carolina AméricaLearning English with selected works of Oscar Hahn and Sergio González
Autor:Pereira Palomo, Hernán Gonzalo; Trillo Ormazábal, María Isabel