- Author: Stef de Haan, Ronal Otiniano, Caseríos del distrito de Chugay, Henry Sánchez, Humberto León, Rosmery Pando, Eulogio Villalobos, Luis Roca, Héctor Cabrera, Juan Pérez
- Language: Spanish, English
- Year: 2015
- Author: Héctor Cabrera Fernando Escobal
- Language: Spanish
- Year: 2002