Pictographs and graphs: How to make and use them /

Bibliographic Details
Main Author:	Modley, Rudolf
Other Authors:	Lowenstein, Dyno (coautor)
Format:	Book
Language:	English
Published:	New York : Harper & Brothers Publishers, 1937
Subjects:	Estadistica-Pictografos

Description
Physical Description:	186 p. ; IL

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