@inbook{ Castro_CASTRO:81-88,
author = { Elena Castro Rodríguez and ENRIQUE CASTRO MARTINEZ } ,
title = { Prospective primary teachers¿ knowledge of pedagogical orchestration in problem-solving instruction },
booktitle = { Proceedings of the First PME Regional Conference: South America },
isbn = { 978-956-6031-01-7 },
publisher = { PME },
pages = { 81 - 88 },
year = { 2018 },
}