Saber por qué
By: [dirección editorial, Ramón Lleonart].
Contributors: Lleonart, Ramón.
Series: Enciclopedia fundamental ; v. 2
Publisher: A. Ortells Ferríz
Published: 1974
Place of publication: Valencia
Language: spa
Number of pages: 148
Subjects: Handbooks, vade-mecums, etc.
Notes: Includes index.