Variaciones sobre la explicación
By: J.F. Alvarez ... [et al.].
Contributors: Alvarez, J. F.
Series: Aula abierta ;; 50; Aula abierta (Madrid, Spain) ;; 50.
Publisher: Universidad Nacional de Educación a Distancia
Published: 1990
Place of publication: Madrid
Language: spa
Number of pages: 209
Subjects: Social sciences -- Methodology.; Explanation.
Notes: Includes bibliographical references.