El niño vs. el número
By: Iván Guzmán de Rojas.
Contributors: United Nations. General Assembly.
Publisher: Biblioteca Popular Boliviana de Ultima Hora
Published: 1979
Place of publication: La Paz, Bolivia
Language: spa
Number of pages: 158
Subjects: Mathematics -- Study and teaching (Elementary); Number concept.
Other titles: Niño versus el número
Notes: "Declaración de los derechos del niño": p. 17-25.