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Aventura de Aprender a Pensar y a Resolver 1(1st Edition) (Spanish Edition) by Asuncion Bados, Jesús Beltrán Llera, Luis F. Perez, Jesus A. Beltran, Luz Pérez Sánchez, Luz F. Pérez Paperback, 224 Pages, Published 1997 by Sintesis Editorial ISBN-13: 978-84-7738-526-4, ISBN: 84-7738-526-2 |
Aventura de Aprender a Pensar y Resolver 2(1st Edition) (Spanish Edition) by Asuncion Bados, Luz Pérez Sánchez, Jesús Beltrán Llera, Luis F. Perez, Jesus A. Beltran, Luz F. Pérez Paperback, 256 Pages, Published 1997 by Sintesis Editorial ISBN-13: 978-84-7738-527-1, ISBN: 84-7738-527-0 |