@inbook{ RAMOS_Ortega-Martín_MADRID:135-156,

author = { ANA MARÍA RAMOS GARCÍA and José Luis Ortega-Martín and DANIEL MADRID FERNÁNDEZ } ,

title = { The Effect of Monolingual and Bilingual Instruction on Competence in the Mother Language },

booktitle = { Studies in bilingual education },

isbn = { 978-3-0343-0474-0 },

publisher = { Peter Lang Publishing Group },

pages = { 135 - 156 },

year = { 2011 },

}