Online Public Access Catalogue (OPAC)
Library,Documentation and Information Science Division

“A research journal serves that narrow

borderland which separates the known from the unknown”

-P.C.Mahalanobis


Principles of punch-card machine operation how to operate punch-card tabulating and alphabetic accounting machines

By: Material type: TextTextLanguage: English Publication details: New York T.Y.Crowell 1942Description: xvi,269pSubject(s): DDC classification:
  • 651.2646 H329
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