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by Vivian Mansour and Alfredo Aguirre
by Sadaba, Alfredo A. Aguirre; Clavero, Ana M. Castillo; Zamora, Dolores Tous
by Gerardo Méndez; illustrated by Alfredo Aguirre
by Pescetti, Luis Maria; Aguirre, Alfredo; Tiznado, Diana; et al.
by Ulloa-aguirre, Alfredo; Tao, Ya-xiong
by Alfredo Ulloa-Aguirre