by J. Esteban-Altirriba, J. Sabater Tobella, P. Balaña Crespo · Salvat · tapa blanda · ISBN 9788434517158
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This book, published in 1979 by Salvat, compiles the communications and conclusions of the International Symposium on the prevention of subnormality held in Barcelona. Prominent national and foreign specialists presented the results of their work at this event. The book, with 537 pages, offers a deep insight into preventive policies of subnormality.
