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
330.4 Op.52 O5431
Abramovitz Moses Resource and output trends in the United States since 1870 New York National Bureau of Economic Research 1956 23p. * Economic growth United States