@Article{ Martínez_Nolla-de_FERNANDEZ,

author = { Enrique Martínez and Álvaro Nolla-de Celis and ELVIRA FERNANDEZ DE AHUMADA } ,

title = { The city as a tool for STEAM education: Problem posing in the context of math trails. },

journal = { Mathematics },

year = { 2022 },

volume = { 10 },

pages = { - },

}