Pictographs and graphs how to make and use them

Código QR (código de barras bidimensional)

Pictographs and graphs how to make and use them

Detalhes bibliográficos
Autor principal:	Modley, Rudolf
Formato:	Livro
Idioma:	English
Publicado em:	New York Harper [1952].
Assuntos:	Statistics > Graphic methods.

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