A study of the possibilities of graphs as a means of instruction in the first four grades of the elementary school

By: Material type: TextTextPublication details: New York : Columbia University, 1938.Description: 173 p. ; 21 cm
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Item type Current library Collection Call number Status Date due Barcode
Libros Libros Biblioteca Pública de la UNLP Fondo general (BP) General Available DUN004574x939

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