- Author: M. Jua, Bate Besong
- Language: English
- Year: 2009
- Author: Elame Musinga, Roselyne M. Jua
- Language: English
- Year: 2008
- Author: Katan Jua Tuntiak
- Language: Shuar, Spanish
- Year: 2011
- Author: Jorge Juárez Ávila
- Language: Spanish
- Year: 2014
- Author: Aldo Bolaños (ed.), Roberto Pineda Rommel Plasencia Óscar de la Torre Luciana Murari Pablo Ibáñez Juan Mogrovejo Cristiana Barreto Laura Pérez Regina Polo Fernanda Chocron Sandro Adalberto María Ataíde Michael Heckenberger Matías Méndez Juan La Serna Valeria Biffi Angélica Motta Arturo de la Torre Michael Uzendoski Paola Revilla Ruby León Nini Cortez Pedro de Aguado (auts.)
- Language: Spanish
- Year: 2019
- Author: Juan Aranda Doncel, Herminio González Barrionuevo, Antonio T. Pineda Navajas, José Martínez Millán, Juan Aranda Doncel
- Language: Spanish
- Year: 2018
