To step to man.

Bibliographic Details
Main Author:	Platt, John Rader 1918- (Author, Autor/a)
Format:	Book
Language:	English
Published:	New York, New York : Willey, 1970.
Subjects:	CAMBIO SOCIAL PROGRESO

Holdings details from Sistema de Bibliotecas de Universidad de Costa Rica
Call Number:	301.24
Copy	Available

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