@Book{BVMC:783328,
author = {Bello, Andrés},
title = {Temas educacionales. II},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2017},
year = {2017},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc1v7h8}
}