Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
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Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
-the definite and indefinite articles-the articles if they are in the accusative or dative (if the noun is in the accusative or dative, the article adapts to the noun)-the direct and indirect pronoun and the pronouns(possesive and demonstrative)-with many examples and translation-part of excercises(with solutions)