- Author: Maths — No Problem!
- Language: English
- Year: 2022
- Author: Maths — No Problem!
- Language: English
- Year: 2022
- Author: Maths — No Problem!
- Language: English
- Year: 2022
- Author: Maths — No Problem!
- Language: English
- Year: 2022
- Author: Maths — No Problem!
- Language: English
- Year: 2022
- Author: Paz y Miño Conde Manuel
- Language: Spanish
- Year: 2013
- Author: Ministerio de Educación del Perú, Proyecto Andino de Tecnologías Campesinas
- Language: Spanish
- Year: 2013
- Author: Gastón Sepúlveda Felipe Tirado Maribel Oñate Sebastiana Calpán Eduardo Bracol Arias Pedro Antío Clementino Lincopi Lucrecia Miller Sergio Barrientos Irma Raín Herminda Cañicura Eduardo Bascur Adán Choque Eugenio Challapa Lino García Fermín García René Berbeito Elena Huaylla Sergio Araya Fermina Paucar Carolina Huenchullán Alicia Salinas Claudio Millacura Felino García Javier Quidel Candy Fabio Daniel Contreras Soledad Cortés
- Language: Spanish, Quechua
- Year: 2010
- Author: Teresa Tovar
- Language: Spanish
- Year: 2013