Pampanga State Agricultural University

Office of the Library Services and Museum

How charts and drawings help us /

Hackler, David.

How charts and drawings help us / David Hackler. - Chicago : Benefic Press, c1965. - 96 pages : illustrations (part colored) colored maps, plans (part colored) ; 24 cm. - Supplementary social studies program. Basic concepts series .

65016481


Education--Graphic methods.

LB1027 / .H2

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