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


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Rate and direction of inventive activity economic and social factors

By: Material type: TextTextLanguage: English Series: NBER : Special conference series; no.13Publication details: Princeton Univ.Press 1962Description: xii,635pSubject(s): DDC classification:
  • 330.196 N277(13)
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