APRIL 23 2015, LANGUAGE DAY . SINCE 2010 BY UNITED NATIONS AGREEMENT ON 23 APRIL, IS CELEBRATED THE DAY OF SPANISH LANGUAGE AND THE DAY OF ENGLISH LANGUAGE . MIGUEL DE CERVANTES SAAVEDRA AND WILLIAM SHAKESPEARE, ARE THE EXPONENTS MAXIMUM IN EACH LANGUAGE.
EVIDENCIAS FISICAS DE PROCESOS QUIMICOS Y BIOQUIMICOS. EVIDENCIAS PEDAGOGICAS.
martes, 21 de abril de 2015
lunes, 20 de abril de 2015
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