Ramírez, Marta María. Cuba: The Cuban Guitar School. SEMlac reports 7. "SEMlac Reports 7". Archived from the original on 2012-11-13. Retrieved 2013-03-24..
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Ramírez, Marta María. Cuba: The Cuban Guitar School. SEMlac reports 7. "SEMlac Reports 7". Archived from the original on 2012-11-13. Retrieved 2013-03-24..