Pictographs and graphs how to make and use them

Pictographs and graphs how to make and use them

Sonraí bibleagrafaíochta
Príomhchruthaitheoir: Modley, Rudolf
Formáid: LEABHAR
Teanga:English
Foilsithe / Cruthaithe: New York Harper [1952].
Ábhair:
Statistics > Graphic methods.