E. Ampuero López, «The Impact of the NLP Spelling Strategy in the Early Years of Bilingual Education», Educación y Futuro, fasc. 37, pp. 93–125, ott. 2017, Consultato: 22 luglio 2026. [Online]. Disponibile su: https://educacionyfuturo.com/educacionyfuturo/article/view/8118