Bizama M, M., B. Arancibia G, and K. Sáez S. “Phonological Awareness Evaluation in Pre-School Children and First Year Elementary School Students, Who Attend Socially Vulnerable Schools in Concepción, Chile”. Onomázein, no. 23, June 2011, pp. 81-103, doi:10.7764/onomazein.23.04.